Math
Solve 3x - y = - 8 and - 4x - y = - 8
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Asked by
AnneS2
Last updated by
anonymous
3x - y = - 8
3x - y-3x = - 8-3x
-y=- 8-3x
-y/-1=- 8/-1-3x/-1
y=8+3x
- 4x - y = - 8
- 4x -(8+3x) = - 8
- 4x -8-3x = - 8
- 7x -8 = - 8
- 7x -8 +8 = - 8+8
-7x=0
-7x/-7=0/-7
x=0
y=8+3x y=8+3(0) y=8+0 y=8