3(a+3)-6=21+3a

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Solution for 3(a+3)-6=21+3a equation: 



3(a+3)-6=21+3a

We move all terms to the left:

3(a+3)-6-(21+3a)=0

We add all the numbers together, and all the variables

3(a+3)-(3a+21)-6=0

We multiply parentheses

3a-(3a+21)+9-6=0

We get rid of parentheses

3a-3a-21+9-6=0

We add all the numbers together, and all the variables

-18!=0

There is no solution for this equation

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