Solve for V
\left\{\begin{matrix}V=\frac{\Phi _{V}}{2f_{V}}\text{, }&\Phi _{V}\neq 0\text{ and }f_{V}\neq 0\\V\neq 0\text{, }&f_{V}=0\text{ and }\Phi _{V}=0\end{matrix}\right.
Solve for f_V
f_{V}=\frac{\Phi _{V}}{2V}
V\neq 0
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f_{V}\times 2V=\Phi _{V}
Variable V cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 2V.
2Vf_{V}=\Phi _{V}
Reorder the terms.
2f_{V}V=\Phi _{V}
The equation is in standard form.
\frac{2f_{V}V}{2f_{V}}=\frac{\Phi _{V}}{2f_{V}}
Divide both sides by 2f_{V}.
V=\frac{\Phi _{V}}{2f_{V}}
Dividing by 2f_{V} undoes the multiplication by 2f_{V}.
V=\frac{\Phi _{V}}{2f_{V}}\text{, }V\neq 0
Variable V cannot be equal to 0.
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