Solve for c
\left\{\begin{matrix}\\c=\frac{m}{2}\text{, }&\text{unconditionally}\\c\in \mathrm{R}\text{, }&m=0\end{matrix}\right.
Solve for m
m=2c
m=0
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2cm=m^{2}
Multiply m and m to get m^{2}.
2mc=m^{2}
The equation is in standard form.
\frac{2mc}{2m}=\frac{m^{2}}{2m}
Divide both sides by 2m.
c=\frac{m^{2}}{2m}
Dividing by 2m undoes the multiplication by 2m.
c=\frac{m}{2}
Divide m^{2} by 2m.
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