9x+21/3=x+7

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Solution for 9x+21/3=x+7 equation: 



9x+21/3=x+7

We move all terms to the left:

9x+21/3-(x+7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

9x-x-7+7=0

We add all the numbers together, and all the variables

8x=0

x=0/8

x=0

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