3x+7=x+7+x+x

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



3x+7=x+7+x+x

We move all terms to the left:

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

=0

x=0/1

x=0

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