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4n+12=2n+11
We move all terms to the left:
4n+12-(2n+11)=0
We get rid of parentheses
4n-2n-11+12=0
We add all the numbers together, and all the variables
2n+1=0
We move all terms containing n to the left, all other terms to the right
2n=-1
n=-1/2
n=-1/2
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