Math
Solve for - 3x + 3y = 9 and 3x - 2y = 1
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Asked by
AnneS2
Last updated by
anonymous
- 3x + 3y = 9
- 3x + 3y+3x = 9+3x
3y=9+3x
3y/3=9/3+3x/3
y=3+x
3x - 2y = 1
3x - 2(3+x) = 1
3x - 2(3) (-2)(+x) = 1
3x-6-2x=1
x-6=1
x-6+6=1+6
x=7
y=3+x
y=3+7
x=10