-3x-12=3(x+2)

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Solution for -3x-12=3(x+2) equation: 



-3x-12=3(x+2)

We move all terms to the left:

-3x-12-(3(x+2))=0



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

3(x+2)

We multiply parentheses

3x+6

Back to the equation:

-(3x+6)



We get rid of parentheses

-3x-3x-6-12=0

We add all the numbers together, and all the variables

-6x-18=0

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

-6x=18

x=18/-6

x=-3

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