9x+4=-2(x+1/2)

Solution for 9x+4=-2(x+1/2) equation:

9x+4=-2(x+1/2)

We move all terms to the left:

9x+4-(-2(x+1/2))=0

We add all the numbers together, and all the variables

9x-(-2(+x+1/2))+4=0

We multiply all the terms by the denominator


9x*2))-(-2(+x+1+4*2))=0

We add all the numbers together, and all the variables

9x*2))-(-2(x+9))=0

We add all the numbers together, and all the variables

9x*2))-(-2(x=0

Wy multiply elements

18x^2=0

a = 18; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·18·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{36}=0$