Solve for M
\left\{\begin{matrix}M=\frac{u}{931eV}\text{, }&V\neq 0\\M\in \mathrm{R}\text{, }&u=0\text{ and }V=0\end{matrix}\right.
Solve for V
\left\{\begin{matrix}V=\frac{u}{931eM}\text{, }&M\neq 0\\V\in \mathrm{R}\text{, }&u=0\text{ and }M=0\end{matrix}\right.
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931MeV=1u
Swap sides so that all variable terms are on the left hand side.
931eMV=u
Reorder the terms.
931eVM=u
The equation is in standard form.
\frac{931eVM}{931eV}=\frac{u}{931eV}
Divide both sides by 931eV.
M=\frac{u}{931eV}
Dividing by 931eV undoes the multiplication by 931eV.
931MeV=1u
Swap sides so that all variable terms are on the left hand side.
931eMV=u
Reorder the terms.
\frac{931eMV}{931eM}=\frac{u}{931eM}
Divide both sides by 931Me.
V=\frac{u}{931eM}
Dividing by 931Me undoes the multiplication by 931Me.
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