Math
Solve - x - y = - 16 and - x + 3y = 24
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Asked by
AnneS2
Last updated by
anonymous
- x - y = - 16
- x - y +x= - 16 +x
-y=- 16 +x
-y/-1=- 16/-1 +x/-1
y=16-x
- x + 3y = 24
- x + 3(16-x) = 24
- x + 3(16) (3)(-x) = 24
-x+48-3x=24
48-4x=24
48-4x-48=24-48
-4x=-24
-4x/-4=-24/-4
x=6
y=16-x
y=16-6
y=10