3(2x+7)=x+21

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Solution for 3(2x+7)=x+21 equation: 



3(2x+7)=x+21

We move all terms to the left:

3(2x+7)-(x+21)=0

We multiply parentheses

6x-(x+21)+21=0

We get rid of parentheses

6x-x-21+21=0

We add all the numbers together, and all the variables

5x=0

x=0/5

x=0

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