3x+7=7+3x.

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Solution for 3x+7=7+3x. equation: 



3x+7=7+3x.

We move all terms to the left:

3x+7-(7+3x.)=0

We add all the numbers together, and all the variables

3x-(3x.+7)+7=0

We get rid of parentheses

3x-3x.-7+7=0

We add all the numbers together, and all the variables

3x-3x.=0

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