12z=8(1/2z-9)

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Solution for 12z=8(1/2z-9) equation: 



12z=8(1/2z-9)

We move all terms to the left:

12z-(8(1/2z-9))=0



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

z∈R



We multiply all the terms by the denominator


12z*2z-9))-(8(1=0

We add all the numbers together, and all the variables

12z*2z=0

Wy multiply elements

24z^2=0

a = 24; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·24·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$z=\frac{-b}{2a}=\frac{0}{48}=0$

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