(20000/y)+30y=400

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Solution for (20000/y)+30y=400 equation: 



(20000/y)+30y=400

We move all terms to the left:

(20000/y)+30y-(400)=0



Domain of the equation: y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

(+20000/y)+30y-400=0

We add all the numbers together, and all the variables

30y+(+20000/y)-400=0

We get rid of parentheses

30y+20000/y-400=0

We multiply all the terms by the denominator


30y*y-400*y+20000=0

We add all the numbers together, and all the variables

-400y+30y*y+20000=0

Wy multiply elements

30y^2-400y+20000=0

a = 30; b = -400; c = +20000;
Δ = b2-4ac
Δ = -4002-4·30·20000
Δ = -2240000
Delta is less than zero, so there is no solution for the equation

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