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(F)=7.50+5F
We move all terms to the left:
(F)-(7.50+5F)=0
We add all the numbers together, and all the variables
F-(5F+7.5)=0
We get rid of parentheses
F-5F-7.5=0
We add all the numbers together, and all the variables
-4F-7.5=0
We move all terms containing F to the left, all other terms to the right
-4F=7.5
F=7.5/-4
F=-1+2.3333333333333/2.6666666666667
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