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Y in (-oo:+oo)
Y/5.5 = 30 // - 30
Y/5.5-30 = 0
0.18181818*Y-30 = 0 // + 30
0.18181818*Y = 30 // : 0.18181818
Y = 30/0.18181818
Y = 165.00000165
Y = 165.00000165
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