n+3+5n=21

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Solution for n+3+5n=21 equation:



n+3+5n=21
We move all terms to the left:
n+3+5n-(21)=0
We add all the numbers together, and all the variables
6n-18=0
We move all terms containing n to the left, all other terms to the right
6n=18
n=18/6
n=3

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