F(20)=7x-20

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Solution for F(20)=7x-20 equation:



(20)=7F-20
We move all terms to the left:
(20)-(7F-20)=0
We get rid of parentheses
-7F+20+20=0
We add all the numbers together, and all the variables
-7F+40=0
We move all terms containing F to the left, all other terms to the right
-7F=-40
F=-40/-7
F=5+5/7

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