# algebra

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

1. 👍
2. 👎
3. 👁
1. 8x-9=y
and y=8x+4

put the second equation into the first, you see it cannot be solved. Reason, lines when graphed are parallel, never cross, so there is no common x,y solution.

1. 👍
2. 👎
👤
bobpursley

## Similar Questions

1. ### Math

1. For the following system of equations, what is the x-value 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.

2. ### 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

3. ### 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

4. ### 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

1. ### Pre-Calc

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

2. ### Algebra

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

3. ### 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

4. ### math

solve by the substitution method. 5x + 7y= -19 x=4-4y what is the solution of the system?

1. ### 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

2. ### Math

Solve the pairs of simultaneous equations by the substitution method. 5x-9y=17 3x-8y=5

3. ### algebra

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

4. ### algebra

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