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x in (-oo:+oo)
3*x-(1/4) > 2 // - 2
3*x-(1/4)-2 > 0
3*x-1/4-2 > 0
3*x-9/4 > 0 // + 9/4
3*x > 9/4 // : 3
x > 9/4/3
x > 3/4
x in (3/4:+oo)
(3/4:+oo)
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