81=3(3+3x)

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Solution for 81=3(3+3x) equation: 



81=3(3+3x)

We move all terms to the left:

81-(3(3+3x))=0

We add all the numbers together, and all the variables

-(3(3x+3))+81=0



We calculate terms in parentheses: -(3(3x+3)), so:

3(3x+3)

We multiply parentheses

9x+9

Back to the equation:

-(9x+9)



We get rid of parentheses

-9x-9+81=0

We add all the numbers together, and all the variables

-9x+72=0

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

-9x=-72

x=-72/-9

x=+8

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