X+2x+2x=x+12

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Solution for X+2x+2x=x+12 equation: 



X+2X+2X=X+12

We move all terms to the left:

X+2X+2X-(X+12)=0

We add all the numbers together, and all the variables

5X-(X+12)=0

We get rid of parentheses

5X-X-12=0

We add all the numbers together, and all the variables

4X-12=0

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

4X=12

X=12/4

X=3

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