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x in (-oo:+oo)
(1/8)*x-(3/8) < (5/2)*x-17 // - (5/2)*x-17
(1/8)*x-((5/2)*x)-(3/8)+17 < 0
(1/8)*x+(-5/2)*x-3/8+17 < 0
133/8-19/8*x < 0 // - 133/8
-19/8*x < -133/8 // : -19/8
x > -133/8/(-19/8)
x > 7
x in (7:+oo)
(7:+oo)
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