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-4x=2-2y
Subtract 2y from both sides.
\frac{-4x}{-4}=\frac{2-2y}{-4}
Divide both sides by -4.
x=\frac{2-2y}{-4}
Dividing by -4 undoes the multiplication by -4.
x=\frac{y-1}{2}
Divide 2-2y by -4.
2y=2+4x
Add 4x to both sides.
2y=4x+2
The equation is in standard form.
\frac{2y}{2}=\frac{4x+2}{2}
Divide both sides by 2.
y=\frac{4x+2}{2}
Dividing by 2 undoes the multiplication by 2.
y=2x+1
Divide 2+4x by 2.