solve the system of equations using the substitution method 8x  9 = y, y  8x = 4
47,180 results
Math
1. For the following system of equations, what is the xvalue of the solution? x+2y=6 6y=x+18 a. 18 b. 0*** c. 6 d. 3 2. Solve the following system of equations using substitution. What is the value of y? 2x+3y=105 x+2y=65 a. 15 b. 25 c. 40*** d. 65

How do I do this.?(Math.)
Use the Substitution method to solve the system of equations. y  2x = 5 3y  x = 5 Solve one of the equations for x or y. Let's solve the first one for y: y  2x = 5 y = 2x  5 Now let's substitute 2x  5 for y in the second equation to solve for x:

Math (check plz)
y = 2x + 4 2x  y = 6 Solve the system of equations using substitution. A) (2,8) B) (2,8) C) (10,24) D) no solution

Substitution Method in Algebra!HELP PLZ!
Use the Substitution method to solve the system of equations. 3x + y = 5 4x  7y = 10 multiply first equation by 4 multiply second equation by 3 thus both equations have same x or y value in this case it is the x value. 12x + 4y = 20 12x  21y = 30 solve

PreCalc
Solve the system of equations using either the substitution method or the multiplication/addition method answer: 3x+2y=14 2x4y=4

Algebra
When is the substitution method a better method than graphing for solving a system of linear equations?

Algebra PLEASE HELP!!
What advantages does the method of substitution have over graphing for solving systems of equations? Choose the correct answer below. A. Graphing cannot be used to solve dependent or inconsistent systems due to the nature of the lines involved.

Algebra
Solve this system of linear equations. * Used the substitution method 3x  y = 8 4x  y = 15  WORK y = 3x  8 4x  (3x  8 ) = 15 4x  3x + 8 = 15 x + 8 = 15 x = 7 3x  y = 8 3(7)  y = 8 21  y = 8 y = 29 y

Math
1. Explain the advantages and disadvantages of both the substitution method and the elimination method for solving a system. Help please. The only reasons I can think of is because in substitution it might be more difficult cause there's a possibility of

algebra
Solve the following system using the substitution method: 6x  2y = 4 y = 3x + 2

algebra
solve the system of equations using the substitution method 8x  9 = y, y  8x = 4

Substitution Method
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 x + y = 4 x  y = 2 In the second equation, x= y+2 Putting that in the first.. (y+2) + y= 4 subtract two from each side, then divide each side by two to get y. Then, put

math
1. Solve for the indicated letter D=4e, for e The solution is e= 2. G(x) = 6/(65x) Choose the correct domain below {xx is a real number and x ≠0} {xx is a real number and x≠6/5} {xx is a real number and x≥6/5} {xx is a real number and x ≠6} 3.

Algebra
Solve by the substitution method. 2x + 4y = 8 5x + y = 13 What is the solution of the system?

Algebra
3x + 2y = 8 x + 4y = 4 use substitution method to solve the linear system.

Algebra
Solve the system of linear equations using the substitution method. 3x + 3y = 0 6x + 9y = 10

algebra
use method of substitution to solve the system of linear equations. 2xy=3 9x4y=14 is the solution an ordered pair(,)

Math
17) solve this linear system using the method of substitution. 2yx=10 y= 3/2x1 20) simplify then solve by substitution 2(x4)+y=6 3x2(y3)=13 just need help with these 2.

Math
I have to solve the system. 3x + y = 12 y = 9  3x I used the substitution method to get 3x + 9  3x = 12 But now I'm stuck.

Math
PLEASE CHACK MY ANSWER!!! Discussion for Applications of Linear Systems When solving a system of equations, how do you determine which method to use? My answer: I determine which method to use by looking at the equations. If both equations are in

algebra
Solve the following system using the substitution method: 3x + y = 3 y = 2x + 7

Algebra II
If you were to use the substitution method to solve the following system, choose the new system of equations that would result if x was isolated in the third equation. 2x  3y + z = 4 2x  2y + z = 1 x  2y + 3z = 6 5x + 7y = 6 y  4 = 1 y  1 = 4

math
Solve the system of equations by Elimination OR Substitution. Explain why you chose one method over the other. 3x – 2y = 8 2x + 5y = 1

math written assignment help
A’s DJ service charges a $200 setup fee and $75 an hour after that. B’s DJ service charges no setup fee but costs $125 an hour. (4 points) Set up equations for both of the services using x and y. Determine the variables and provide an explanation for

math
The difference between two numbers is 3. Eight times the larger number is 10 times the smaller number. Write a system of equations describing the given conditions. Then solve the system by the substitution method and find the two numbers.

math,algebra II
I need someone to explain to me step by step the process of this problem its in my book as an example but i am not understanding it. Ive researched the explanation of the ECHELON METHOD...BUt i am not seeingit...this is the problem that they have: Use the

math
solve by the substitution method. 5x + 7y= 19 x=44y what is the solution of the system?

algebra
i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y  1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of equations by substitution. x^2 +

math
solve the system of equations using the substitution method. y=2x5 3x+4y=9

Algebra
Solving system of linear equations by using the apropiate method name the method and the x,y coordinates 1)X=4y+8 2x8y=3 2)3x7y=6 elimination method 2x+7y=4 (2,0) 3)5x2y=12 elimination method 3x2y=2 (7,23/2) 4)9x8y=42 elimination method 4x+8y=16

Math
Solve the pairs of simultaneous equations by the substitution method. 5x9y=17 3x8y=5

Math
what are the pros and cons of the substitution method in a system of equations?

Algebra II
Explain, in complete sentences, which method you would use to solve the following system of equations and why you chose that method. Provide the solution to the system. x  3y + 2z = 12 x + 2y + 3z = 6 2x  3y  z = 2

Algebra Help!!
Solve the given system by the substitution method. 3x + y = 17 5x 2y = 10

mathlinear equations
Its a story problem: The flying W Ranch raises only cows and horses. There are total 340 animals. The owner prefers horses to cows, so he has 52 more horses than cows. a. Write two different linear equations to model this situation. b. Solve the system of

Substitution MethodPlz help
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=4 (y+2) + y = 4 solve for y. Then, x= y+2 i don't get it.How did you get that?What

Algebra
I can find no solution to this system of equations. Solve the system of equations using the substitution method 2x + 4y = 2 2x  y = 4

algebra
When you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent?

subsitution method
Can some one show me how to use the Substitution method to solve the system of these equations. x + y = 4 x  y = 2 x + y = 10 y = x + 8 on the first set. Solve for either x or y in either equation, then put that value into the other equation. Example: x

Algebra
Using the substitution method, what is the value of a in the solution to the system of equations below? a=3b+7 4a+9b=70

Geometry :(
this maths problem is wrecking my head.... 1.find the points of interesction of the line L and the circle k in the following L:x2y=0 K:X Squared + y squared=25 I would solve both equations for y, and then you'll have a system with two equations and two

Math
How would you solve each system by the substitution method? 1. Y=6x5 Y=x+9

math
solve the system 3x6y=5 and 2y=4x6 using substitution method.

algebra
Use the substitution method to solve the linear system. Thanks! s= t+4 2t+s=19

Linear Equations
Can you please help solve this equation using the substitution method? I have tried and keep getting that X and Y = 7/2, but the answer in the book states no solution, inconsistent system. What am I doing wrong? Please help! Solve the systems of equations

algebra
solve the system of equations using the substitution method 8x  9 = y y  8x = 4

Algebra Help Please
solve the system of equations using the substitution method 8x  9 = y y  8x = 4

Algebra
Solve the following system of equations using the substitution method:5x7y=18 and 4x+3y=20

algebra
What is the solution of the system? Solve the system of equations using the substitution method. xy=1 5x+4y=23

math
If it says use the method of substitution to solve the system of linear equations 3a=6b 3a=4b How do i find the solution

College Algebra
solve each system by substitution method x=y+3 3x2y=4 Pls determine whether the equations are independent, dependent, or inconsistent

Algebra1!Plz help I have test 2morrow!!!
so would the new eqaution be... 2x+8=10 then.. 2x=2 x=1? We know that y = x + 8. So if x + y = 10, then x + x + 8 = 10. but what about the y?ANd what do I do afetr that? If you know what x equals, then you can calculate what y equals. Once you've solved

algebra
Requesting help. (I must reckon, that X is a variable, and y is yintercept) Q: Try to use the substitution method to solve the the linear system y=3x an y=3x7. What do you notice? A) What happens when you graph it? B) Explain why there is no solution.

Math
1) x+2y=7, 2xy=4 What I did: multiply 2xy=4 by 2 so I could eliminate the y variable. 4x2y = 8 + x +2y =7 = 3x =1 Divided 1 by =1 and got x=1/3 I only need someone to check my answer. Also one last question, can I use the elimination method for

Math
Use the substitution method to solve the following system of linear equations: x + y = 6 x = –y + 2 A. There are an infinite number of solutions. B. The solution is (2, 4). C. The solution is (4, 2). D. There is no solution.

Kim what about this one?Can you please help me wit
Thanks,what abou this one? Use the Substitution method to solve the system of equations. x + y = 10 y = x + 8 follow the same principle for the first one and u'll get it u already have y = x + 8 Subst. that in the first eqn and just follow up from there

math
The perimeter of a rectangular cattle enclosure is 400 feet. It is 40 feet longer than it is wide. Using a system of equations solve for the length and width of the enclosure using the substitution method.

Algebra Multiple Choice
Hello, This is the last of questions I have for my practice assignment. Again I will put what I got. Thanks for your help. 1.) Solve the system using substitution. Write answer as an ordered pair. 4x+2y=8 5x2=y A.) First equation (2,8) B.) Second

algebra
Solve the given system by the substitution method. 2x+y=6, 5x2y=6

algebra
Use the method of substitution to solve the system. xy=1 4xy+3=0

alegebra
solve this system of equation using the substitution method. 6x+8y=72 2x+5y=45

Math 2 questions
Use the substitution method to solve each linear system: x+3y+1=0 3xy+1=0 4x3y=13 2x+y=4 Please help, thanks:):)!!!!

Algebra 1 HELP PLZ!!!
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 PLz HELP!! I'M NOT BOB BUT I CAN HELP ITS REALLY SIMPLE ALGEBRA X + Y = 4......EQN 1 X  Y = 2.....EQN 2 From EQN 2, let x = 2 + y Substitute that into EQN 1 x  y = 4

calculus
When using the substitution method to solve a nonlinear system of equations, you should first see if you can _____ one variable in one of the equations in the system.

algebra
Can someone help me figure this out please? when you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent? thank you anyone

algebra
Can someone please help. When you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent? Thanks

algebra
when you solve a system of equations by the substitution method, how do you determine whether the system of equations is dependent?

Algebra 1
solve the system of equations using the substitution method. 8x9=y, y8x=4

Algebra
Solve the system of equations by the substitution method X+9y=32 2x+4y=8

Algebra
Solve the system of equations by the substitution method {y=1.2+3.8 {Y0.5x2.99

precalculus
can you check my work? Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x^2+y^24x+6y5=0, x+y+5=0 x=y5 (y5)^2+y^24(y5)^2+6y5=0 y=√55, y=5√5 x+√55+5=0 x=√5

PreCalculus
I have to use the substitution method to solve the system of equations. 4xy=9 and 2x+3y=12 I worked this problem myself and could not find a possible solution. So I put that it is inconsistent. Is that correct? If not could you please help me?

Algebra question
When you solve a system of equations by the substitution method, how do you determine whether the system of equations is dependent? If your variables disappear as you simplify, and you end up with 0=0 (or k=k) the system is dependent. (really just the same

precalculus
Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x2+y24x+6y5=0, x+y+5=0 answer: x=y5 (y5)2+y24(y5)2+6y5=0 y=√55, y=5√5 x+√55+5=0 x=√5 x5√5+5=0 x=√5

quick question regarding equations
I know there are methods out there but what do you think is the best or easiest method(s) of solving a system of equations. Depends on the coefficients of the equation. If in one of the equations I can solve for one of the variables without having to

math
how do i solve two step equations? Do you mean two equations in two unknowns? The method of substitution is one way. There is a good tutorial here: http://www.themathpage.com/alg/simultaneousequations.htm

math ALGEBRA
Solve by either the substitution method or the addition or subtraction method 2m=n3 3m=2n9 Just replace n with (2m + 3) in the second equation. Then solve for m. Once you know the value of m, use either of your equations, such as n = 2m+3, to get n.

Algebra II
How do you solve the linear equations x+y=5 3xy=3 by use of the Substitution Method? (Please do not confuse with the Elimination Method)

Business Algebra
Produce an example of a system of equations to your fellow students and allow them to respond on which method (graphing, substitution, elimination, matrices) they would choose for solving your systems of equations. Be sure to reply to students' responses

math
solve each system of equations by substitution. y=3x9 please help explain how to solve this using substitution.

PreAlgrebra
Two cell phone companies have different rate plans. Runfast has monthly charges $10 plus $4 per gig of data. B A &D’s monthly charge is $6 plus $6 per gig of data. Your task, is to determine under what circumstances each company has the better pricing.

algebra
How would you solve the systemof equations using the substitution method: 2x9y=2 4x+18y=12

Algebra
7x + 5 = y 3.5x + 20 = y Solve the system of equations. What method did you use to solve the system and why? Show your work. Can someone please explain to me the process of solving the system? That would be nice. Thanks! (=

MATH
What is the p.o.i for these set of equations (the substitution method) 2x+y=6 3x+2y=6 i tried to solve this many times but i keep getting different answers. What does x= and what does y=?

Algebra
A rectangular garden is 54 feet longer than it is wider. Its perimeter is 292 feet. Write a system of linear equations whose solution gives the width and length of the garden. Use the substitution method to solve and check your answer.

Algebra 2
Solve the system by the substitution method. 5x+7y=18 y=5x14

0303 math
Solve the system by the substitution method y=2x4 5x2y=1

algebra 2
Solve the system by the substitution method 5x+7y=18 y=5x14

Math 208
Solve each system by the substitution method. x+3y=2 x+y=1

algebra
Solve the given system by the substitution method. 3x + y = 17 5x 2y = 10

math
Solve the following system using the substitution method: 2x + 4y = 5 x = 2y + 6

college
solve the system by the substitution method x=84y 3x=5y=3

Math
Solve the system by using the substitution method. y= 3/4x  4 x + 2y= 6

math
Solve the following system using the substitution method: y = 3x  9 y = x  1

Algebra II
What is the first step for solving this system by substitution? DO NOT SOLVE!! 3x2y=8 x+7y=10 How many solutions does this system of equations have? 3y6x=12 y2x=4 My answer is 1 solution. Is this correct?

Math
I still don't know how to directly solve this problem. Can someone guide to solve this system of equation by using the substitution method? Thanks! 1. Y=6x5 Y=x+9

Algebra
Solve by the substitution method 8 m + n=1 M4N=29 What is the solution of the system

math
Use a substitution method to solve the linear system 2a=8 a+b=2

math
Solve by the substitution method. What is the solution of the system? 3x+9y=48 6x+y=56

Algebra
Use the substitution method to solve the linear system. 1/8p+3/4q=7 3/2pq=4 Thanks.