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-4n+2=-2(2n-1)
We move all terms to the left:
-4n+2-(-2(2n-1))=0
We calculate terms in parentheses: -(-2(2n-1)), so:We get rid of parentheses
-2(2n-1)
We multiply parentheses
-4n+2
Back to the equation:
-(-4n+2)
-4n+4n-2+2=0
We add all the numbers together, and all the variables
=0
n=0/1
n=0
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