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X in (-oo:+oo)
X/8 = 20.48 // - 20.48
X/8-20.48 = 0
1/8*X-20.48 = 0 // + 20.48
1/8*X = 20.48 // : 1/8
X = 20.48/1/8
X = 163.84
X = 163.84
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