x-3(1/3x+5=-15

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Solution for x-3(1/3x+5=-15 equation: 



x-3(1/3x+5=-15

We move all terms to the left:

x-3(1/3x+5-(-15)=0



Domain of the equation: 3x+5-(-15)!=0

We move all terms containing x to the left, all other terms to the right

3x-(-15)!=-5

x∈R



We multiply all the terms by the denominator


x*3x+5-(-15)-3(1=0

We add all the numbers together, and all the variables

x*3x=0

Wy multiply elements

3x^2=0

a = 3; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·3·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{6}=0$

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