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X=(12+2X)/4
We move all terms to the left:
X-((12+2X)/4)=0
We add all the numbers together, and all the variables
X-((2X+12)/4)=0
We multiply all the terms by the denominator
X*4)-((2X+12)=0
Wy multiply elements
4X^2=0
a = 4; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·4·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$X=\frac{-b}{2a}=\frac{0}{8}=0$
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