F(7)=3x+2

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Solution for F(7)=3x+2 equation: 



(7)=3F+2

We move all terms to the left:

(7)-(3F+2)=0

We get rid of parentheses

-3F-2+7=0

We add all the numbers together, and all the variables

-3F+5=0

We move all terms containing F to the left, all other terms to the right

-3F=-5

F=-5/-3

F=1+2/3

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