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

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

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

We move all terms to the left:

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


Domain of the equation: 5)(2x-1)!=0

x∈R


We add all the numbers together, and all the variables

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

We multiply parentheses ..

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

We multiply all the terms by the denominator


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

We get rid of parentheses

2x^2+1-1-3*5*=0

We add all the numbers together, and all the variables

2x^2=0

a = 2; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·2·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{4}=0$