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12+5.8n=8+6n
We move all terms to the left:
12+5.8n-(8+6n)=0
We add all the numbers together, and all the variables
5.8n-(6n+8)+12=0
We get rid of parentheses
5.8n-6n-8+12=0
We add all the numbers together, and all the variables
-0.2n+4=0
We move all terms containing n to the left, all other terms to the right
-0.2n=-4
n=-4/-0.2
n=+20
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