abs(x+5)>1
    1-x<0
    1+x<0
    sqrt(x-1)+2x<=5
    sqrt(x+3)<2
    sqrt(x^2-1)>sqrt(2x^2+4x)
    sqrt(2x^2-6x+4)
    sqrt(3-2x)>x
    abs(x)+abs(2x-1)>2
    3x^2-7x>10
    4
    abs(2x+1)>3
    abs(s-3)>1
    abs(2s-3)>=s+1
    2:(x+1)>=2x-1
    -x^2+4x-3>0
    (-3x+4):(x-1)>=2
    (5x+6):(x+1)>1
    (1):(2x-1)<=1
    (3x+5):(x-2)<=2

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