5(x+2)≥1-2(x-1)
    x+0.4106*x=594824
    x2+16=(8－x)2
    1200000+500*x=800*x
    x∧3
    (2-x)^3-sqrt(x)＝1
    (2-x)^3<2
    3-2x>0
    x+1/x=3
    -2=7(-8-2x)
    5x^2+4x-12
    3(2^(3x+1))<8
    3(2^3x+1)<8
    √X+3<2
    8X^2-4X≤1/4
    2-absx-1<0
    -1≤absx+1<2
    abs2x-1>-5
    2absx-1≤3
    absx>2

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