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y in (-oo:+oo)
y/42.3 = 144/56.4 // - 144/56.4
y/42.3-(144/56.4) = 0
y/42.3-2.55319149 = 0
0.02364066*y-2.55319149 = 0 // + 2.55319149
0.02364066*y = 2.55319149 // : 0.02364066
y = 2.55319149/0.02364066
y = 108.00000888
y = 108.00000888
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