Solve for x
x=\epsilon -V
Solve for V
V=\epsilon -x
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\epsilon -x=V
Swap sides so that all variable terms are on the left hand side.
-x=V-\epsilon
Subtract \epsilon from both sides.
\frac{-x}{-1}=\frac{V-\epsilon }{-1}
Divide both sides by -1.
x=\frac{V-\epsilon }{-1}
Dividing by -1 undoes the multiplication by -1.
x=\epsilon -V
Divide V-\epsilon by -1.
Examples
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Limits
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