-81=3(-5x-2)

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Solution for -81=3(-5x-2) equation: 



-81=3(-5x-2)

We move all terms to the left:

-81-(3(-5x-2))=0



We calculate terms in parentheses: -(3(-5x-2)), so:

3(-5x-2)

We multiply parentheses

-15x-6

Back to the equation:

-(-15x-6)



We get rid of parentheses

15x+6-81=0

We add all the numbers together, and all the variables

15x-75=0

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

15x=75

x=75/15

x=5

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