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{x:xbelongs to R;x<5>-4}
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4x-19<3x/5 -2_<-2/5+x
or,20x-95<3x-10_< -2+5x
now,20x-95<3x-10
or, 17x<85
or, x<5
again, 3x-10_< 5x-2
or, -2x_<8
or,x_> -4
hence x€(5, -4]
or,20x-95<3x-10_< -2+5x
now,20x-95<3x-10
or, 17x<85
or, x<5
again, 3x-10_< 5x-2
or, -2x_<8
or,x_> -4
hence x€(5, -4]
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