81=-3(-3v-3)

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Solution for 81=-3(-3v-3) equation: 



81=-3(-3v-3)

We move all terms to the left:

81-(-3(-3v-3))=0



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

-3(-3v-3)

We multiply parentheses

9v+9

Back to the equation:

-(9v+9)



We get rid of parentheses

-9v-9+81=0

We add all the numbers together, and all the variables

-9v+72=0

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

-9v=-72

v=-72/-9

v=+8

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