Solve for y
\left\{\begin{matrix}y=\frac{x}{z^{2}}\text{, }&z\neq 0\\y\in \mathrm{R}\text{, }&x=0\text{ and }z=0\end{matrix}\right.
Solve for x
x=yz^{2}
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yz^{2}=x
Swap sides so that all variable terms are on the left hand side.
z^{2}y=x
The equation is in standard form.
\frac{z^{2}y}{z^{2}}=\frac{x}{z^{2}}
Divide both sides by z^{2}.
y=\frac{x}{z^{2}}
Dividing by z^{2} undoes the multiplication by z^{2}.
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