F(x)=x/2-9

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Solution for F(x)=x/2-9 equation: 



(F)=F/2-9

We move all terms to the left:

(F)-(F/2-9)=0

We get rid of parentheses

F-F/2+9=0

We multiply all the terms by the denominator


F*2-F+9*2=0

We add all the numbers together, and all the variables

-1F+F*2+18=0

Wy multiply elements

-1F+2F+18=0

We add all the numbers together, and all the variables

F+18=0

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

F=-18

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