2a+6+a=39

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Solution for 2a+6+a=39 equation: 



2a+6+a=39

We move all terms to the left:

2a+6+a-(39)=0

We add all the numbers together, and all the variables

3a-33=0

We move all terms containing a to the left, all other terms to the right

3a=33

a=33/3

a=11

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