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4/18+3/18+n/18=1
We move all terms to the left:
4/18+3/18+n/18-(1)=0
determiningTheFunctionDomain n/18-1+4/18+3/18=0
We multiply all the terms by the denominator
n+4+3-1*18=0
We add all the numbers together, and all the variables
n-11=0
We move all terms containing n to the left, all other terms to the right
n=11
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