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6a-12=3(2a-4)
We move all terms to the left:
6a-12-(3(2a-4))=0
We calculate terms in parentheses: -(3(2a-4)), so:We get rid of parentheses
3(2a-4)
We multiply parentheses
6a-12
Back to the equation:
-(6a-12)
6a-6a+12-12=0
We add all the numbers together, and all the variables
=0
a=0/1
a=0
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