8n+15=21

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Solution for 8n+15=21 equation: 



8n+15=21

We move all terms to the left:

8n+15-(21)=0

We add all the numbers together, and all the variables

8n-6=0

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

8n=6

n=6/8

n=3/4

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