x-12=(7x-9)/4

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Solution for x-12=(7x-9)/4 equation: 



x-12=(7x-9)/4

We move all terms to the left:

x-12-((7x-9)/4)=0

We multiply all the terms by the denominator


x*4)-((7x-9)-12*4)=0

We add all the numbers together, and all the variables

x*4)-((7x-9)=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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