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2=n/81
We move all terms to the left:
2-(n/81)=0
We add all the numbers together, and all the variables
-(+n/81)+2=0
We get rid of parentheses
-n/81+2=0
We multiply all the terms by the denominator
-n+2*81=0
We add all the numbers together, and all the variables
-1n+162=0
We move all terms containing n to the left, all other terms to the right
-n=-162
n=-162/-1
n=+162
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