( - 2 x + y = - 7
Solve for x
x=\frac{y+7}{2}
Solve for y
y=2x-7
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-2x=-7-y
Subtract y from both sides.
-2x=-y-7
The equation is in standard form.
\frac{-2x}{-2}=\frac{-y-7}{-2}
Divide both sides by -2.
x=\frac{-y-7}{-2}
Dividing by -2 undoes the multiplication by -2.
x=\frac{y+7}{2}
Divide -7-y by -2.
y=-7+2x
Add 2x to both sides.
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