3x-12x=24+12

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Solution for 3x-12x=24+12 equation: 



3x-12x=24+12

We move all terms to the left:

3x-12x-(24+12)=0

We add all the numbers together, and all the variables

3x-12x-36=0

We add all the numbers together, and all the variables

-9x-36=0

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

-9x=36

x=36/-9

x=-4

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