20=(1/3)*20*x

Solution for 20=(1/3)*20*x equation:

20=(1/3)*20*x

We move all terms to the left:

20-((1/3)*20*x)=0


Domain of the equation: 3)*20*x)!=0

x!=0/1

x!=0

x∈R


We add all the numbers together, and all the variables

-((+1/3)*20*x)+20=0

We multiply all the terms by the denominator


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


We calculate terms in parentheses: -((+1+20*3)*20*x), so:

(+1+20*3)*20*x

We add all the numbers together, and all the variables

61*20*x

Wy multiply elements

1220x*x

Wy multiply elements

1220x^2

Back to the equation:

-(1220x^2)


a = -1220; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-1220)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-2440}=0$