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8n+4=2n+1
We move all terms to the left:
8n+4-(2n+1)=0
We get rid of parentheses
8n-2n-1+4=0
We add all the numbers together, and all the variables
6n+3=0
We move all terms containing n to the left, all other terms to the right
6n=-3
n=-3/6
n=-1/2
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