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8n+7+5n-2=2n+8n+12
We move all terms to the left:
8n+7+5n-2-(2n+8n+12)=0
We add all the numbers together, and all the variables
8n+5n-(10n+12)+7-2=0
We add all the numbers together, and all the variables
13n-(10n+12)+5=0
We get rid of parentheses
13n-10n-12+5=0
We add all the numbers together, and all the variables
3n-7=0
We move all terms containing n to the left, all other terms to the right
3n=7
n=7/3
n=2+1/3
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