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