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
    x-1/2-x-3/6<1
    a^2+1>0
    (x-1)/2<=(1+2x)/3
    x^2+x+1≥-102.753125
    4x-2(x-1)<4
    x^2+x>-2.75
    x^2+x>1
    x^2+x>-1
    x^2+x≥-1
    x^2+x<-1
    1-2x<0

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