Solve for b
b=-oz
Solve for o
\left\{\begin{matrix}o=-\frac{b}{z}\text{, }&z\neq 0\\o\in \mathrm{R}\text{, }&b=0\text{ and }z=0\end{matrix}\right.
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-b=oz
Swap sides so that all variable terms are on the left hand side.
\frac{-b}{-1}=\frac{oz}{-1}
Divide both sides by -1.
b=\frac{oz}{-1}
Dividing by -1 undoes the multiplication by -1.
b=-oz
Divide oz by -1.
zo=-b
The equation is in standard form.
\frac{zo}{z}=-\frac{b}{z}
Divide both sides by z.
o=-\frac{b}{z}
Dividing by z undoes the multiplication by z.
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