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

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

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

We move all terms to the left:

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


Domain of the equation: 2x+1)!=0

x∈R


We get rid of parentheses

-2x-1/2x-1-1=0

We multiply all the terms by the denominator


-2x*2x-1*2x-1*2x-1=0

Wy multiply elements

-4x^2-2x-2x-1=0

We add all the numbers together, and all the variables

-4x^2-4x-1=0

a = -4; b = -4; c = -1;
Δ = b2-4ac
Δ = -42-4·(-4)·(-1)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{4}{-8}=-1/2$