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-3(2n-3)+10n=39
We move all terms to the left:
-3(2n-3)+10n-(39)=0
We add all the numbers together, and all the variables
10n-3(2n-3)-39=0
We multiply parentheses
10n-6n+9-39=0
We add all the numbers together, and all the variables
4n-30=0
We move all terms containing n to the left, all other terms to the right
4n=30
n=30/4
n=7+1/2
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