17x-13>-24x-24
    （x-3）/4+（2x-1）/3>-2（x+1）
    6-3x-6x-10>-x-1
    7x>3x-10
    6/5x≥-2(1-x)
    5/12-x-1/3<=x/6
    4a+1>0
    2a-1<0
    3X减11小于6X减2
    2X减1/3小于等于3减5-x/3
    2X减1/3小于等于3减5/3减x
    3/8X加1小于5/8X加3/4
    3/2X加1小于5/8X加3/4
    x+x+20≥72 40x+18(x+20)≤2000
    x-1/6+3x-1/2 ≤3/2*x
    2x-3 ≤x+2
    3-2*(x-1)>1
    1/2x－3<－1
    15x+6>4x-2
    4x<-4

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