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=2N+3(N-1)
We move all terms to the left:
-(2N+3(N-1))=0
We calculate terms in parentheses: -(2N+3(N-1)), so:We get rid of parentheses
2N+3(N-1)
We multiply parentheses
2N+3N-3
We add all the numbers together, and all the variables
5N-3
Back to the equation:
-(5N-3)
-5N+3=0
We move all terms containing N to the left, all other terms to the right
-5N=-3
N=-3/-5
N=3/5
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