13=(3/4)(5x+8)

Solution for 13=(3/4)(5x+8) equation:

13=(3/4)(5x+8)

We move all terms to the left:

13-((3/4)(5x+8))=0


Domain of the equation: 4)(5x+8))!=0

x∈R


We add all the numbers together, and all the variables

-((+3/4)(5x+8))+13=0

We multiply parentheses ..

-((+15x^2+3/4*8))+13=0

We multiply all the terms by the denominator


-((+15x^2+3+13*4*8))=0


We calculate terms in parentheses: -((+15x^2+3+13*4*8)), so:

(+15x^2+3+13*4*8)

We get rid of parentheses

15x^2+3+13*4*8

We add all the numbers together, and all the variables

15x^2+419

Back to the equation:

-(15x^2+419)


We get rid of parentheses

-15x^2-419=0

a = -15; b = 0; c = -419;
Δ = b2-4ac
Δ = 02-4·(-15)·(-419)
Δ = -25140
Delta is less than zero, so there is no solution for the equation