-(2/5)x=4/5

Solution for -(2/5)x=4/5 equation:

-(2/5)x=4/5

We move all terms to the left:

-(2/5)x-(4/5)=0


Domain of the equation: 5)x!=0

x!=0/1

x!=0

x∈R


We add all the numbers together, and all the variables

-(+2/5)x-(+4/5)=0

We multiply parentheses

-2x^2-(+4/5)=0

We get rid of parentheses

-2x^2-4/5=0

We multiply all the terms by the denominator


-2x^2*5-4=0

Wy multiply elements

-10x^2-4=0

a = -10; b = 0; c = -4;
Δ = b2-4ac
Δ = 02-4·(-10)·(-4)
Δ = -160
Delta is less than zero, so there is no solution for the equation