36 = d \pi
Solve for d
d = \frac{36}{\pi} \approx 11.459155903
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d\pi =36
Swap sides so that all variable terms are on the left hand side.
\pi d=36
The equation is in standard form.
\frac{\pi d}{\pi }=\frac{36}{\pi }
Divide both sides by \pi .
d=\frac{36}{\pi }
Dividing by \pi undoes the multiplication by \pi .
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