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12=34-5n
We move all terms to the left:
12-(34-5n)=0
We add all the numbers together, and all the variables
-(-5n+34)+12=0
We get rid of parentheses
5n-34+12=0
We add all the numbers together, and all the variables
5n-22=0
We move all terms containing n to the left, all other terms to the right
5n=22
n=22/5
n=4+2/5
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