3x-12=-(x+6)

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



3x-12=-(x+6)

We move all terms to the left:

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



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

-(x+6)

We get rid of parentheses

-x-6

We add all the numbers together, and all the variables

-1x-6

Back to the equation:

-(-1x-6)



We get rid of parentheses

3x+1x+6-12=0

We add all the numbers together, and all the variables

4x-6=0

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

4x=6

x=6/4

x=1+1/2

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