5n+3n+18+n-6=123

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Solution for 5n+3n+18+n-6=123 equation: 



5n+3n+18+n-6=123

We move all terms to the left:

5n+3n+18+n-6-(123)=0

We add all the numbers together, and all the variables

9n-111=0

We move all terms containing n to the left, all other terms to the right

9n=111

n=111/9

n=12+1/3

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