x+4/x=4

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Solution for x+4/x=4 equation: 



x+4/x=4

We move all terms to the left:

x+4/x-(4)=0



Domain of the equation: x!=0

x∈R



We multiply all the terms by the denominator


x*x-4*x+4=0

We add all the numbers together, and all the variables

-4x+x*x+4=0

Wy multiply elements

x^2-4x+4=0

a = 1; b = -4; c = +4;
Δ = b2-4ac
Δ = -42-4·1·4
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{4}{2}=2$

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