5n+n+3n=18

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Solution for 5n+n+3n=18 equation:



5n+n+3n=18
We move all terms to the left:
5n+n+3n-(18)=0
We add all the numbers together, and all the variables
9n-18=0
We move all terms containing n to the left, all other terms to the right
9n=18
n=18/9
n=2

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