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Verified answer
(4/x) - 3 > (2/x) - 7(4/x) - (2/x) > -7 + 3
2/x > -4
(2/x) + (4x/x) > 0
(2 + 4x) / x > 0
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_______-1/2_________0_______________
nilai x yang memenuhi adalah x < -1/2 atau x > 0
HP = {x| x < -1/2 atau x > 0}