81=1/9y

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Solution for 81=1/9y equation: 



81=1/9y

We move all terms to the left:

81-(1/9y)=0



Domain of the equation: 9y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(+1/9y)+81=0

We get rid of parentheses

-1/9y+81=0

We multiply all the terms by the denominator


81*9y-1=0

Wy multiply elements

729y-1=0

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

729y=1

y=1/729

y=1/729

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