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x in (-oo:+oo)
(-7/8)*x < 14 // - 14
(-7/8)*x-14 < 0
-7/8*x-14 < 0 // + 14
-7/8*x < 14 // : -7/8
x > 14/(-7/8)
x > -16
x in (-16:+oo)
(-16:+oo)
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