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k in (-oo:+oo)
2*k-(3/2) > 3 // - 3
2*k-(3/2)-3 > 0
2*k-3/2-3 > 0
2*k-9/2 > 0 // + 9/2
2*k > 9/2 // : 2
k > 9/2/2
k > 9/4
k in (9/4:+oo)
(9/4:+oo)
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