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8n=3n+42
We move all terms to the left:
8n-(3n+42)=0
We get rid of parentheses
8n-3n-42=0
We add all the numbers together, and all the variables
5n-42=0
We move all terms containing n to the left, all other terms to the right
5n=42
n=42/5
n=8+2/5
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