-3=x+x+x.

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Solution for -3=x+x+x. equation: 



-3=x+x+x.

We move all terms to the left:

-3-(x+x+x.)=0

We add all the numbers together, and all the variables

-(+2x+x.)-3=0

We get rid of parentheses

-2x-x.-3=0

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

-2x-x.=3

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