F(n)=4n-8

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Solution for F(n)=4n-8 equation: 



(F)=4F-8

We move all terms to the left:

(F)-(4F-8)=0

We get rid of parentheses

F-4F+8=0

We add all the numbers together, and all the variables

-3F+8=0

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

-3F=-8

F=-8/-3

F=2+2/3

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