9a+3a+a=9a+3a+a=

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Solution for 9a+3a+a=9a+3a+a= equation: 



9a+3a+a=9a+3a+a=

We move all terms to the left:

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

We add all the numbers together, and all the variables

9a+3a+a-(+13a)=0

We add all the numbers together, and all the variables

13a-(+13a)=0

We get rid of parentheses

13a-13a=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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