81=a/9

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Solution for 81=a/9 equation: 



81=a/9

We move all terms to the left:

81-(a/9)=0

We add all the numbers together, and all the variables

-(+a/9)+81=0

We get rid of parentheses

-a/9+81=0

We multiply all the terms by the denominator


-a+81*9=0

We add all the numbers together, and all the variables

-1a+729=0

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

-a=-729

a=-729/-1

a=+729

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