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