-(2/5)a=20

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Solution for -(2/5)a=20 equation: 



-(2/5)a=20

We move all terms to the left:

-(2/5)a-(20)=0



Domain of the equation: 5)a!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+2/5)a-20=0

We multiply parentheses

-2a^2-20=0

a = -2; b = 0; c = -20;
Δ = b2-4ac
Δ = 02-4·(-2)·(-20)
Δ = -160
Delta is less than zero, so there is no solution for the equation

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