3(a-7)=9+3a

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Solution for 3(a-7)=9+3a equation: 



3(a-7)=9+3a

We move all terms to the left:

3(a-7)-(9+3a)=0

We add all the numbers together, and all the variables

3(a-7)-(3a+9)=0

We multiply parentheses

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

We get rid of parentheses

3a-3a-9-21=0

We add all the numbers together, and all the variables

-30!=0

There is no solution for this equation

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