(-12)+2x=(-30)

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Solution for (-12)+2x=(-30) equation: 



(-12)+2x=(-30)

We move all terms to the left:

(-12)+2x-((-30))=0

We add all the numbers together, and all the variables

2x+18=0

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

2x=-18

x=-18/2

x=-9

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