-(8/7)*a=40

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Solution for -(8/7)*a=40 equation: 



-(8/7)*a=40

We move all terms to the left:

-(8/7)*a-(40)=0



Domain of the equation: 7)*a!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+8/7)*a-40=0

We multiply parentheses

-8a^2-40=0

a = -8; b = 0; c = -40;
Δ = b2-4ac
Δ = 02-4·(-8)·(-40)
Δ = -1280
Delta is less than zero, so there is no solution for the equation

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