Solve for y
y=\frac{-x-31}{4}
Solve for x
x=-4y-31
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4y=-31-x
Subtract x from both sides.
4y=-x-31
The equation is in standard form.
\frac{4y}{4}=\frac{-x-31}{4}
Divide both sides by 4.
y=\frac{-x-31}{4}
Dividing by 4 undoes the multiplication by 4.
x=-31-4y
Subtract 4y from both sides.
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