3x+12=(-18)-12

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Solution for 3x+12=(-18)-12 equation: 



3x+12=(-18)-12

We move all terms to the left:

3x+12-((-18)-12)=0

We add all the numbers together, and all the variables

3x+42=0

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

3x=-42

x=-42/3

x=-14

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