Posted by **Margie** on Monday, October 16, 2006 at 4:38pm.

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 that value of y into EITHER of the equations and solve for x. I will be happy to critique your thinking or work.

- Substitution Method -
**Dolores**, Saturday, April 16, 2011 at 8:36pm
x 4y=5

2x+8y=15

- Substitution Method -
**ty**, Wednesday, August 17, 2011 at 7:13pm
x + y = 4

2x - 3y = -2

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