Solve for y
y = \frac{40}{\pi} \approx 12.732395447
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\pi y=40
Swap sides so that all variable terms are on the left hand side.
\frac{\pi y}{\pi }=\frac{40}{\pi }
Divide both sides by \pi .
y=\frac{40}{\pi }
Dividing by \pi undoes the multiplication by \pi .
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