Solve for y
y=x-68
Solve for x
x=y+68
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-y=68-x
Subtract x from both sides.
\frac{-y}{-1}=\frac{68-x}{-1}
Divide both sides by -1.
y=\frac{68-x}{-1}
Dividing by -1 undoes the multiplication by -1.
y=x-68
Divide 68-x by -1.
x=68+y
Add y to both sides.
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Limits
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