7-7=13x+9x

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Solution for 7-7=13x+9x equation: 



7-7=13x+9x

We move all terms to the left:

7-7-(13x+9x)=0

We add all the numbers together, and all the variables

-(+22x)+7-7=0

We add all the numbers together, and all the variables

-(+22x)=0

We get rid of parentheses

-22x=0

x=0/-22

x=0

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