12=-3(x+4)-3

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Solution for 12=-3(x+4)-3 equation: 



12=-3(x+4)-3

We move all terms to the left:

12-(-3(x+4)-3)=0



We calculate terms in parentheses: -(-3(x+4)-3), so:

-3(x+4)-3

We multiply parentheses

-3x-12-3

We add all the numbers together, and all the variables

-3x-15

Back to the equation:

-(-3x-15)



We get rid of parentheses

3x+15+12=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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