(2x-30)=(x+15)/2

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Solution for (2x-30)=(x+15)/2 equation: 



(2x-30)=(x+15)/2

We move all terms to the left:

(2x-30)-((x+15)/2)=0

We get rid of parentheses

2x-((x+15)/2)-30=0

We multiply all the terms by the denominator


2x*2)-((x+15)-30*2)=0

We add all the numbers together, and all the variables

2x*2)-((x+15)=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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