3x+5=20-(1/2)x

Solution for 3x+5=20-(1/2)x equation:

3x+5=20-(1/2)x

We move all terms to the left:

3x+5-(20-(1/2)x)=0


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

x!=0/1

x!=0

x∈R


We add all the numbers together, and all the variables

3x-(20-(+1/2)x)+5=0

We multiply all the terms by the denominator


3x*2)x)-(20-(+5*2)x)+1=0

We add all the numbers together, and all the variables

3x*2)x)-(20-10x)+1=0

Wy multiply elements

6x^2=0

a = 6; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·6·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{12}=0$