Solve for f
f=\frac{-e^{2}+1}{14}\approx -0.45636115
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14f-1=-e^{2}
Subtract e^{2} from both sides. Anything subtracted from zero gives its negation.
14f=-e^{2}+1
Add 1 to both sides.
\frac{14f}{14}=\frac{-e^{2}+1}{14}
Divide both sides by 14.
f=\frac{-e^{2}+1}{14}
Dividing by 14 undoes the multiplication by 14.
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