x+6=3x=12

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Solution for x+6=3x=12 equation: 



x+6=3x=12

We move all terms to the left:

x+6-(3x)=0

We add all the numbers together, and all the variables

-2x+6=0

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

-2x=-6

x=-6/-2

x=+3

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