x+126=3x

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Solution for x+126=3x equation: 



x+126=3x

We move all terms to the left:

x+126-(3x)=0

We add all the numbers together, and all the variables

-2x+126=0

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

-2x=-126

x=-126/-2

x=+63

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