F(x)=6x+7/9x+2

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Solution for F(x)=6x+7/9x+2 equation: 



(F)=6F+7/9F+2

We move all terms to the left:

(F)-(6F+7/9F+2)=0



Domain of the equation: 9F+2)!=0

F∈R



We get rid of parentheses

F-6F-7/9F-2=0

We multiply all the terms by the denominator


F*9F-6F*9F-2*9F-7=0

Wy multiply elements

9F^2-54F^2-18F-7=0

We add all the numbers together, and all the variables

-45F^2-18F-7=0

a = -45; b = -18; c = -7;
Δ = b2-4ac
Δ = -182-4·(-45)·(-7)
Δ = -936
Delta is less than zero, so there is no solution for the equation

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