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N in (-oo:+oo)
N/16.4 = -1.55487804878 // + 1.55487804878
N/16.4+1.55487804878 = 0
0.06097561*N+1.55487804878 = 0 // - 1.55487804878
0.06097561*N = -1.55487804878 // : 0.06097561
N = -1.55487804878/0.06097561
N = -25.4999999
N = -25.4999999
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