Solve for both systems: - 3x + 3y = - 6 and 2x - 3y = 5

Asked by AnneS2 12 years ago 9/18/2013 9:12 AM

Last updated by anonymous 12 years ago 9/20/2013 11:32 AM

Answered by CherieS 12 years ago 9/20/2013 11:32 AM

- 3x + 3y = - 6

- 3x+3x + 3y = - 6+3x

3y = - 6+3x

3y/3 = - 6+3x/3

y=-2+x

2x - 3y = 5

2x - 3(-2+x) = 5

2x - 3(-2) (-3)(+x) = 5

2x+6-3x=5

6-x=5

6-x-6=5-6

-x=-1

-x/-1=-1/-1

x=1

y=-2+x

y=-2+1=-1