F(x)=x-1/7x+9

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Solution for F(x)=x-1/7x+9 equation: 



(F)=F-1/7F+9

We move all terms to the left:

(F)-(F-1/7F+9)=0



Domain of the equation: 7F+9)!=0

F∈R



We get rid of parentheses

F-F+1/7F-9=0

We multiply all the terms by the denominator


F*7F-F*7F-9*7F+1=0

Wy multiply elements

7F^2-7F^2-63F+1=0

We add all the numbers together, and all the variables

-63F+1=0

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

-63F=-1

F=-1/-63

F=1/63

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