20=(30/y-10)

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Solution for 20=(30/y-10) equation: 



20=(30/y-10)

We move all terms to the left:

20-((30/y-10))=0



Domain of the equation: y-10))!=0

y∈R



We multiply all the terms by the denominator


-((30+20*y-10))=0



We calculate terms in parentheses: -((30+20*y-10)), so:

(30+20*y-10)

We add all the numbers together, and all the variables

(20y+20)

We get rid of parentheses

20y+20

Back to the equation:

-(20y+20)



We get rid of parentheses

-20y-20=0

We move all terms containing y to the left, all other terms to the right

-20y=20

y=20/-20

y=-1

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