F(x)=x-5/7x-9

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Solution for F(x)=x-5/7x-9 equation: 



(F)=F-5/7F-9

We move all terms to the left:

(F)-(F-5/7F-9)=0



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

F∈R



We get rid of parentheses

F-F+5/7F+9=0

We multiply all the terms by the denominator


F*7F-F*7F+9*7F+5=0

Wy multiply elements

7F^2-7F^2+63F+5=0

We add all the numbers together, and all the variables

63F+5=0

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

63F=-5

F=-5/63

F=-5/63

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