x2+3x=x2+3x

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Solution for x2+3x=x2+3x equation: 



x2+3x=x2+3x

We move all terms to the left:

x2+3x-(x2+3x)=0

We add all the numbers together, and all the variables

-(+x^2+3x)+x2+3x=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

x^2-x^2-3x+3x=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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