-21/4y=8y

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Solution for -21/4y=8y equation: 



-21/4y=8y

We move all terms to the left:

-21/4y-(8y)=0



Domain of the equation: 4y!=0

y!=0/4

y!=0

y∈R



We add all the numbers together, and all the variables

-8y-21/4y=0

We multiply all the terms by the denominator


-8y*4y-21=0

Wy multiply elements

-32y^2-21=0

a = -32; b = 0; c = -21;
Δ = b2-4ac
Δ = 02-4·(-32)·(-21)
Δ = -2688
Delta is less than zero, so there is no solution for the equation

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