81/n=9

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Solution for 81/n=9 equation: 



81/n=9

We move all terms to the left:

81/n-(9)=0



Domain of the equation: n!=0

n∈R



We multiply all the terms by the denominator


-9*n+81=0

We add all the numbers together, and all the variables

-9n+81=0

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

-9n=-81

n=-81/-9

n=+9

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