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(F)=-3F-12F-11
We move all terms to the left:
(F)-(-3F-12F-11)=0
We add all the numbers together, and all the variables
F-(-15F-11)=0
We get rid of parentheses
F+15F+11=0
We add all the numbers together, and all the variables
16F+11=0
We move all terms containing F to the left, all other terms to the right
16F=-11
F=-11/16
F=-11/16
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