x+2x=2x-6

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Solution for x+2x=2x-6 equation: 



x+2x=2x-6

We move all terms to the left:

x+2x-(2x-6)=0

We add all the numbers together, and all the variables

3x-(2x-6)=0

We get rid of parentheses

3x-2x+6=0

We add all the numbers together, and all the variables

x+6=0

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

x=-6

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