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93+(3n-4)=(8n+9)
We move all terms to the left:
93+(3n-4)-((8n+9))=0
We get rid of parentheses
3n-((8n+9))-4+93=0
We calculate terms in parentheses: -((8n+9)), so:We add all the numbers together, and all the variables
(8n+9)
We get rid of parentheses
8n+9
Back to the equation:
-(8n+9)
3n-(8n+9)+89=0
We get rid of parentheses
3n-8n-9+89=0
We add all the numbers together, and all the variables
-5n+80=0
We move all terms containing n to the left, all other terms to the right
-5n=-80
n=-80/-5
n=+16
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