Math
Solve for both systems: 4x = - y + 14 and x = - 5y + 13
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Asked by
AnneS2
Last updated by
anonymous
4x = - y + 14
4x +y= - y+y + 14
4x +y=14
4x-4x +y=14-4x
y=14-4x
x = - 5y + 13
x = - 5(14-4x) + 13
x = - 5(14) (-5)(-4x) + 13
x=-70+20x+13
x=-57+20x
x-20x=-57+20x-20x
-19x=-57
-19x/-19=-57/-19
x=3
y=14-4x
y=14-4(3)
y=14-12=2