5−x≥−3+x
    5x+10≤2x+1
    x−5≥−2x+13
    x+5≥2x−1
    2x+5≥4x−1
    2x≥4
    5≤x+3
    x/3≤3
    -2x≥−4
    x+1<−7 x<−6 x>−6
    -x/2≤4
    1>2
    e∧x>1+x+(1/2)x∧2
    e∧x>x+1
    (e^x*lnx)/2x*(x-1)>1
    17/22m+12/22＞0
    -250000+49000*1.05^T-1/1.15^T>0
    0.92a+0.98(900-a)/900>0.94
    3<(9*x+2)/3-(3*x-4)/2<5
    x>2

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