F(x)=4x-9.F(-6)=

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Solution for F(x)=4x-9.F(-6)= equation: 



(F)=4F-9.(-6)=

We move all terms to the left:

(F)-(4F-9.(-6))=0



We calculate terms in parentheses: -(4F-9.(-6)), so:

4F-9.(-6)

We add all the numbers together, and all the variables

4F+54

Back to the equation:

-(4F+54)



We get rid of parentheses

F-4F-54=0

We add all the numbers together, and all the variables

-3F-54=0

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

-3F=54

F=54/-3

F=-18

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