Solve for y
y=\frac{x}{100\pi }
Solve for x
x=100\pi y
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x=100\pi y
Multiply 2 and 50 to get 100.
100\pi y=x
Swap sides so that all variable terms are on the left hand side.
\frac{100\pi y}{100\pi }=\frac{x}{100\pi }
Divide both sides by 100\pi .
y=\frac{x}{100\pi }
Dividing by 100\pi undoes the multiplication by 100\pi .
x=100\pi y
Multiply 2 and 50 to get 100.
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