Solve for x
x=\frac{\pi y}{5}
Solve for y
y=\frac{5x}{\pi }
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\frac{1}{\pi }x=\frac{y}{5}
The equation is in standard form.
\frac{\frac{1}{\pi }x\pi }{1}=\frac{y}{5\times \frac{1}{\pi }}
Divide both sides by \pi ^{-1}.
x=\frac{y}{5\times \frac{1}{\pi }}
Dividing by \pi ^{-1} undoes the multiplication by \pi ^{-1}.
x=\frac{\pi y}{5}
Divide \frac{y}{5} by \pi ^{-1}.
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