(5*sqrt3-2)*sinx+5*cosx-5 > 0
    (5*sqrt3-14)*sinx+5*cosx+5 > 0
    (x+3)/(x-4)<=2
    3-x÷x-2>0
    m^2-2m-8<0 m^2+3m-10>0
    2X^2+5X-3<0
    3X+1/2>2X-1 X+1>0
    2X+50－5X≥18
    16x-3x^3≥48
    4>5x
    [4(2-x)]/5>=1
    （2x+1）/3-x/2<=1
    （x-1）/3-（10x-1）/12>（2x-3）/4
    2-（y-2）/5<=y-（y-2）/2
    4-3x>2
    （6x-1）/4-2x>-2
    （2x-1）/3-（2x+5）/6>-2
    （5y）/4>=（y+2）/2
    1+2/5-2x<0
    （x-7）/2<（2-3x）/3

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