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(F)=17F-221
We move all terms to the left:
(F)-(17F-221)=0
We get rid of parentheses
F-17F+221=0
We add all the numbers together, and all the variables
-16F+221=0
We move all terms containing F to the left, all other terms to the right
-16F=-221
F=-221/-16
F=13+13/16
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