(5/4)-(x/5)=(13/20)

Solution for (5/4)-(x/5)=(13/20) equation:

(5/4)-(x/5)=(13/20)

We move all terms to the left:

(5/4)-(x/5)-((13/20))=0

We add all the numbers together, and all the variables

-(+x/5)+(+5/4)-((+13/20))=0

We get rid of parentheses

-x/5+5/4-((+13/20))=0

We calculate fractions


(-160x^2)/()+()/()+()/()=0

We add all the numbers together, and all the variables

(-160x^2)/()+2=0

We multiply all the terms by the denominator


(-160x^2)+2*()=0

We add all the numbers together, and all the variables

(-160x^2)=0

We get rid of parentheses

-160x^2=0

a = -160; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-160)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-320}=0$