12+3x=-6(3x+5)

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Solution for 12+3x=-6(3x+5) equation: 



12+3x=-6(3x+5)

We move all terms to the left:

12+3x-(-6(3x+5))=0



We calculate terms in parentheses: -(-6(3x+5)), so:

-6(3x+5)

We multiply parentheses

-18x-30

Back to the equation:

-(-18x-30)



We get rid of parentheses

3x+18x+30+12=0

We add all the numbers together, and all the variables

21x+42=0

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

21x=-42

x=-42/21

x=-2

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