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12z=8(1/2z-5)
We move all terms to the left:
12z-(8(1/2z-5))=0
Domain of the equation: 2z-5))!=0We multiply all the terms by the denominator
z∈R
12z*2z-5))-(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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