12+2x=-18-4x

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Solution for 12+2x=-18-4x equation: 



12+2x=-18-4x

We move all terms to the left:

12+2x-(-18-4x)=0

We add all the numbers together, and all the variables

2x-(-4x-18)+12=0

We get rid of parentheses

2x+4x+18+12=0

We add all the numbers together, and all the variables

6x+30=0

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

6x=-30

x=-30/6

x=-5

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