81=b/3

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Solution for 81=b/3 equation: 



81=b/3

We move all terms to the left:

81-(b/3)=0

We add all the numbers together, and all the variables

-(+b/3)+81=0

We get rid of parentheses

-b/3+81=0

We multiply all the terms by the denominator


-b+81*3=0

We add all the numbers together, and all the variables

-1b+243=0

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

-b=-243

b=-243/-1

b=+243

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