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5n-12=3n+5
We move all terms to the left:
5n-12-(3n+5)=0
We get rid of parentheses
5n-3n-5-12=0
We add all the numbers together, and all the variables
2n-17=0
We move all terms containing n to the left, all other terms to the right
2n=17
n=17/2
n=8+1/2
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