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x in (-oo:+oo)
5*x-(8/3) > 4 // - 4
5*x-(8/3)-4 > 0
5*x-8/3-4 > 0
5*x-20/3 > 0 // + 20/3
5*x > 20/3 // : 5
x > 20/3/5
x > 4/3
x in (4/3:+oo)
(4/3:+oo)
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