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m in (-oo:+oo)
5.2 = m/30.1 // - m/30.1
5.2-(m/30.1) = 0
5.2-0.03322259*m = 0
5.2-0.03322259*m = 0 // - 5.2
-0.03322259*m = -5.2 // : -0.03322259
m = -5.2/(-0.03322259)
m = 156.52000642
m = 156.52000642
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