Solve for m
m=-n-V
Solve for V
V=-\left(m+n\right)
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-m-n=V
Swap sides so that all variable terms are on the left hand side.
-m=V+n
Add n to both sides.
-m=n+V
The equation is in standard form.
\frac{-m}{-1}=\frac{n+V}{-1}
Divide both sides by -1.
m=\frac{n+V}{-1}
Dividing by -1 undoes the multiplication by -1.
m=-\left(n+V\right)
Divide V+n by -1.
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