5n-3n=21

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Solution for 5n-3n=21 equation: 



5n-3n=21

We move all terms to the left:

5n-3n-(21)=0

We add all the numbers together, and all the variables

2n-21=0

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

2n=21

n=21/2

n=10+1/2

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