y-(9/10)y=12

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Solution for y-(9/10)y=12 equation: 



y-(9/10)y=12

We move all terms to the left:

y-(9/10)y-(12)=0



Domain of the equation: 10)y!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

y-(+9/10)y-12=0

We multiply parentheses

-9y^2+y-12=0

a = -9; b = 1; c = -12;
Δ = b2-4ac
Δ = 12-4·(-9)·(-12)
Δ = -431
Delta is less than zero, so there is no solution for the equation

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