Solve for f
f=3
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-6f+13-2f=-11
Subtract 2f from both sides.
-8f+13=-11
Combine -6f and -2f to get -8f.
-8f=-11-13
Subtract 13 from both sides.
-8f=-24
Subtract 13 from -11 to get -24.
f=\frac{-24}{-8}
Divide both sides by -8.
f=3
Divide -24 by -8 to get 3.
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