F(x)=-7+2x

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



(F)=-7+2F

We move all terms to the left:

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

We add all the numbers together, and all the variables

F-(2F-7)=0

We get rid of parentheses

F-2F+7=0

We add all the numbers together, and all the variables

-1F+7=0

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

-F=-7

F=-7/-1

F=+7

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