Solve for c
c=\pi ny\times 2^{n}
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\left(\frac{1}{2}\right)^{n}c=\pi ny
The equation is in standard form.
\frac{\left(\frac{1}{2}\right)^{n}c}{\left(\frac{1}{2}\right)^{n}}=\frac{\pi ny}{\left(\frac{1}{2}\right)^{n}}
Divide both sides by \left(\frac{1}{2}\right)^{n}.
c=\frac{\pi ny}{\left(\frac{1}{2}\right)^{n}}
Dividing by \left(\frac{1}{2}\right)^{n} undoes the multiplication by \left(\frac{1}{2}\right)^{n}.
c=\pi ny\times 2^{n}
Divide yn\pi by \left(\frac{1}{2}\right)^{n}.
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