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m in (-oo:+oo)
m/8 > 3 // - 3
m/8-3 > 0
1/8*m-3 > 0 // + 3
1/8*m > 3 // : 1/8
m > 3/1/8
m > 24
m in (24:+oo)
(24:+oo)
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