Solve for x
x=\frac{Y-120}{2}
Solve for Y
Y=2\left(x+60\right)
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2x+120=Y
Swap sides so that all variable terms are on the left hand side.
2x=Y-120
Subtract 120 from both sides.
\frac{2x}{2}=\frac{Y-120}{2}
Divide both sides by 2.
x=\frac{Y-120}{2}
Dividing by 2 undoes the multiplication by 2.
x=\frac{Y}{2}-60
Divide Y-120 by 2.
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