x-3(x-2) >= 4
    x-3(x-2)>=4
    x-3(x-2)>4
    {x-3(x-2)>=4 x-1<(1+2x)/3
    {4(x-1)<3x {5x+3/2>x
     -4114150 + 3000000 + x - 450000 - x * 10 % / 4 >300000
    -4114150+3000000+x-450000-x*10%/4>300000
    5（x+3）>-2（x-6）
    -4x/5+1<8
    x^2(x^2 -9)<0
    ln6+ln2x＞0
    ln（2x+6）＞0
    X^2+4 x+4≥0
    2x-2/x<0
    2x-2/x>0
    114+x<2x
    x²+2x-3＜0
    (10-x)(9-x)＜6
    cosx＜0
    (2k+1)^2-4(k^2-2k+3)>0

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