Solve for x
x=-\frac{y}{2}-6
Solve for y
y=-2x-12
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-2x-12=y
Swap sides so that all variable terms are on the left hand side.
-2x=y+12
Add 12 to both sides.
\frac{-2x}{-2}=\frac{y+12}{-2}
Divide both sides by -2.
x=\frac{y+12}{-2}
Dividing by -2 undoes the multiplication by -2.
x=-\frac{y}{2}-6
Divide y+12 by -2.
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