15/3-x=7/x

Solution for 15/3-x=7/x equation:

15/3-x=7/x

We move all terms to the left:

15/3-x-(7/x)=0


Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R


We add all the numbers together, and all the variables

-x-(+7/x)+15/3=0

We add all the numbers together, and all the variables

-1x-(+7/x)+5=0

We get rid of parentheses

-1x-7/x+5=0

We multiply all the terms by the denominator


-1x*x+5*x-7=0

We add all the numbers together, and all the variables

5x-1x*x-7=0

Wy multiply elements

-1x^2+5x-7=0

a = -1; b = 5; c = -7;
Δ = b2-4ac
Δ = 52-4·(-1)·(-7)
Δ = -3
Delta is less than zero, so there is no solution for the equation