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^-1(F)=3F+8
We move all terms to the left:
^-1(F)-(3F+8)=0
We add all the numbers together, and all the variables
-1F-(3F+8)=0
We get rid of parentheses
-1F-3F-8=0
We add all the numbers together, and all the variables
-4F-8=0
We move all terms containing F to the left, all other terms to the right
-4F=8
F=8/-4
F=-2
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