3x+2x=7x-x

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Solution for 3x+2x=7x-x equation: 



3x+2x=7x-x

We move all terms to the left:

3x+2x-(7x-x)=0

We add all the numbers together, and all the variables

3x+2x-(+6x)=0

We add all the numbers together, and all the variables

5x-(+6x)=0

We get rid of parentheses

5x-6x=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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