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C in (-oo:+oo)
C/158 = 41.5 // - 41.5
C/158-41.5 = 0
1/158*C-41.5 = 0 // + 41.5
1/158*C = 41.5 // : 1/158
C = 41.5/1/158
C = 6557.00406534
C = 6557.00406534
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