F(2)=7+x

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



(2)=7+F

We move all terms to the left:

(2)-(7+F)=0

We add all the numbers together, and all the variables

-(F+7)+2=0

We get rid of parentheses

-F-7+2=0

We add all the numbers together, and all the variables

-1F-5=0

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

-F=5

F=5/-1

F=-5

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