Math
Solve 5x + y = 46 and - 3x + y = - 18
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Asked by
AnneS2
Last updated by
anonymous
- 3x + y = - 18
- 3x + y+3x = - 18+3x
y= - 18+3x
5x + y = 46
5x + (- 18+3x) = 46
5x- 18+3x= 46
8x- 18= 46
8x- 18+18= 46+18
8x=64
8x/8=64/8
x=8
y= - 18+3x
y= - 18+3(8)
y= - 18+24
y=6