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x in (-oo:+oo)
(2/3)*x-(1/2) > 2 // - 2
(2/3)*x-(1/2)-2 > 0
(2/3)*x-1/2-2 > 0
2/3*x-5/2 > 0 // + 5/2
2/3*x > 5/2 // : 2/3
x > 5/2/2/3
x > 15/4
x in (15/4:+oo)
(15/4:+oo)
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