4x-12x=120

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Solution for 4x-12x=120 equation: 



4x-12x=120

We move all terms to the left:

4x-12x-(120)=0

We add all the numbers together, and all the variables

-8x-120=0

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

-8x=120

x=120/-8

x=-15

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