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3(2n-1)-2n=-3
We move all terms to the left:
3(2n-1)-2n-(-3)=0
We add all the numbers together, and all the variables
-2n+3(2n-1)+3=0
We multiply parentheses
-2n+6n-3+3=0
We add all the numbers together, and all the variables
4n=0
n=0/4
n=0
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