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66n-90=4n+2
We move all terms to the left:
66n-90-(4n+2)=0
We get rid of parentheses
66n-4n-2-90=0
We add all the numbers together, and all the variables
62n-92=0
We move all terms containing n to the left, all other terms to the right
62n=92
n=92/62
n=1+15/31
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