3a=3a-2a

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



3a=3a-2a
We move all terms to the left:
3a-(3a-2a)=0
We add all the numbers together, and all the variables
3a-(+a)=0
We get rid of parentheses
3a-a=0
We add all the numbers together, and all the variables
2a=0
a=0/2
a=0

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