x/0.3x=0.01x+2.9

Solution for x/0.3x=0.01x+2.9 equation:

x/0.3x=0.01x+2.9

We move all terms to the left:

x/0.3x-(0.01x+2.9)=0


Domain of the equation: 0.3x!=0

x!=0/0.3

x!=0

x∈R


We get rid of parentheses

x/0.3x-0.01x-2.9=0

We multiply all the terms by the denominator


x-(0.01x)*0.3x-(2.9)*0.3x=0

We add all the numbers together, and all the variables

x-(+0.01x)*0.3x-(2.9)*0.3x=0

We multiply parentheses

-0x^2+x-0x=0

We add all the numbers together, and all the variables

-1x^2=0

a = -1; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-1)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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