7=(8/5)(3x+5)

Solution for 7=(8/5)(3x+5) equation:

7=(8/5)(3x+5)

We move all terms to the left:

7-((8/5)(3x+5))=0


Domain of the equation: 5)(3x+5))!=0

x∈R


We add all the numbers together, and all the variables

-((+8/5)(3x+5))+7=0

We multiply parentheses ..

-((+24x^2+8/5*5))+7=0

We multiply all the terms by the denominator


-((+24x^2+8+7*5*5))=0


We calculate terms in parentheses: -((+24x^2+8+7*5*5)), so:

(+24x^2+8+7*5*5)

We get rid of parentheses

24x^2+8+7*5*5

We add all the numbers together, and all the variables

24x^2+183

Back to the equation:

-(24x^2+183)


We get rid of parentheses

-24x^2-183=0

a = -24; b = 0; c = -183;
Δ = b2-4ac
Δ = 02-4·(-24)·(-183)
Δ = -17568
Delta is less than zero, so there is no solution for the equation