-x-1/2x)=9

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Solution for -x-1/2x)=9 equation: 



-x-1/2x)=9

We move all terms to the left:

-x-1/2x)-(9)=0



Domain of the equation: 2x)-9!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-1x-1/2x)-9=0

We multiply all the terms by the denominator


-1x*2x)-9-1=0

Wy multiply elements

-2x^2=0

a = -2; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-2)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-4}=0$

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