a+a+3a+2=3a

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Solution for a+a+3a+2=3a equation: 



a+a+3a+2=3a

We move all terms to the left:

a+a+3a+2-(3a)=0

We add all the numbers together, and all the variables

2a+2=0

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

2a=-2

a=-2/2

a=-1

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