(X/3)-(x/5)=(8/15)

Solution for (X/3)-(x/5)=(8/15) equation:

(X/3)-(X/5)=(8/15)

We move all terms to the left:

(X/3)-(X/5)-((8/15))=0

We add all the numbers together, and all the variables

(+X/3)-(+X/5)-((+8/15))=0

We get rid of parentheses

X/3-X/5-((+8/15))=0

We calculate fractions


(-45X^2)/()+75X^2/()+()/()=0

We add all the numbers together, and all the variables

(-45X^2)/()+75X^2/()+1=0

We multiply all the terms by the denominator


(-45X^2)+75X^2+1*()=0

We add all the numbers together, and all the variables

75X^2+(-45X^2)=0

We get rid of parentheses

75X^2-45X^2=0

We add all the numbers together, and all the variables

30X^2=0

a = 30; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·30·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$X=\frac{-b}{2a}=\frac{0}{60}=0$