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x in (-oo:+oo)
5*x-(2/5) < 2-((7*x)/(-3)) // - 2-((7*x)/(-3))
5*x+(7*x)/(-3)-(2/5)-2 < 0
5*x+(7*x)/(-3)-2/5-2 < 0
8/3*x-12/5 < 0 // + 12/5
8/3*x < 12/5 // : 8/3
x < 12/5/8/3
x < 9/10
x in (-oo:9/10)
(-oo:9/10)
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