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d in (-oo:+oo)
d/5.8+12 = -11.2 // + 11.2
d/5.8+11.2+12 = 0
0.17241379*d+23.2 = 0 // - 23.2
0.17241379*d = -23.2 // : 0.17241379
d = -23.2/0.17241379
d = -134.56000242
d = -134.56000242
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