Solve for h (complex solution)
\left\{\begin{matrix}h=\frac{A}{72r}\text{, }&r\neq 0\\h\in \mathrm{C}\text{, }&A=0\text{ and }r=0\end{matrix}\right.
Solve for h
\left\{\begin{matrix}h=\frac{A}{72r}\text{, }&r\neq 0\\h\in \mathrm{R}\text{, }&A=0\text{ and }r=0\end{matrix}\right.
Solve for A
A=72hr
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72hr=A
Swap sides so that all variable terms are on the left hand side.
72rh=A
The equation is in standard form.
\frac{72rh}{72r}=\frac{A}{72r}
Divide both sides by 72r.
h=\frac{A}{72r}
Dividing by 72r undoes the multiplication by 72r.
72hr=A
Swap sides so that all variable terms are on the left hand side.
72rh=A
The equation is in standard form.
\frac{72rh}{72r}=\frac{A}{72r}
Divide both sides by 72r.
h=\frac{A}{72r}
Dividing by 72r undoes the multiplication by 72r.
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