Mathematics
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    X (x -5)(x +1)>0
    x^2-3x+7≥1.75
    23+55x<22.5+60x
    18m+26(10-m)>=234
    23+55X<25.5
    x-5<x-12/3
    x-3>2(x+2)
    x^2+2x-7>0
    30(200-4x+3x)+20(50-x+4x)<=8000
    30*(30*4+20)+(50-x)*(3*30+4*20)<=8000
    X ≥5.99 + 0.005 * X
    X≥5.99+0.005X
    X - X × 0.005 ≥5.99
    X-X×0.005≥5.99
    14.01+x-X×0.06÷12≥20
    -a-1<a<1
    -a-3<-1<-a+2/2
    a<-a-1
    -a-3<a<-a-1
    3*x^2-26*x+48>0

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