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-(5a+6)=2(3a+6)=2(3a+8)
We move all terms to the left:
-(5a+6)-(2(3a+6))=0
We get rid of parentheses
-5a-(2(3a+6))-6=0
We calculate terms in parentheses: -(2(3a+6)), so:We get rid of parentheses
2(3a+6)
We multiply parentheses
6a+12
Back to the equation:
-(6a+12)
-5a-6a-12-6=0
We add all the numbers together, and all the variables
-11a-18=0
We move all terms containing a to the left, all other terms to the right
-11a=18
a=18/-11
a=-1+7/11
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