(-4/5)y=8/20

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Solution for (-4/5)y=8/20 equation: 



(-4/5)y=8/20

We move all terms to the left:

(-4/5)y-(8/20)=0



Domain of the equation: 5)y!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

(-4/5)y-(+8/20)=0

We multiply parentheses

-4y^2-(+8/20)=0

We get rid of parentheses

-4y^2-8/20=0

We multiply all the terms by the denominator


-4y^2*20-8=0

Wy multiply elements

-80y^2-8=0

a = -80; b = 0; c = -8;
Δ = b2-4ac
Δ = 02-4·(-80)·(-8)
Δ = -2560
Delta is less than zero, so there is no solution for the equation

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