x/12=4/(8+x)

Solution for x/12=4/(8+x) equation:

x/12=4/(8+x)

We move all terms to the left:

x/12-(4/(8+x))=0


Domain of the equation: (8+x))!=0

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

x)!=-8

x!=-8/1

x!=-8

x∈R


We add all the numbers together, and all the variables

x/12-(4/(x+8))=0

We calculate fractions


9x^2/12x+()/12x=0

We multiply all the terms by the denominator


9x^2+()=0

We add all the numbers together, and all the variables

9x^2=0

a = 9; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·9·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{18}=0$