12x-42-6x=120

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Solution for 12x-42-6x=120 equation: 



12x-42-6x=120

We move all terms to the left:

12x-42-6x-(120)=0

We add all the numbers together, and all the variables

6x-162=0

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

6x=162

x=162/6

x=27

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