F(x)=3x-45

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Solution for F(x)=3x-45 equation: 



(F)=3F-45

We move all terms to the left:

(F)-(3F-45)=0

We get rid of parentheses

F-3F+45=0

We add all the numbers together, and all the variables

-2F+45=0

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

-2F=-45

F=-45/-2

F=22+1/2

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