-2(12+3x)=-42

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Solution for -2(12+3x)=-42 equation: 



-2(12+3x)=-42

We move all terms to the left:

-2(12+3x)-(-42)=0

We add all the numbers together, and all the variables

-2(3x+12)-(-42)=0

We add all the numbers together, and all the variables

-2(3x+12)+42=0

We multiply parentheses

-6x-24+42=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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