X+2x=3-1

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Solution for X+2x=3-1 equation: 



X+2X=3-1

We move all terms to the left:

X+2X-(3-1)=0

We add all the numbers together, and all the variables

X+2X-2=0

We add all the numbers together, and all the variables

3X-2=0

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

3X=2

X=2/3

X=2/3

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