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B in (-oo:+oo)
B/12.8 = -13.306 // + 13.306
B/12.8+13.306 = 0
0.078125*B+13.306 = 0 // - 13.306
0.078125*B = -13.306 // : 0.078125
B = -13.306/0.078125
B = -170.3168
B = -170.3168
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