Mathematics
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    5(x+1)≥3(x-1)
    x-1>2x
    x-1>-2
    (x+2)/3-1<(2x-1)/2
    -4x<-7
    2(x+1)-1+3x≥6
    (x+1)/2-(1-3x)/6≥1
    (x+1)/3-(1-3x)/6≥1
    (x-1)/3-(1-3x)/6≥1
    3(x-1)-1+3x≥6
    3x-3<2x+1
    1-a≤-2
    -1-a≤-2
    2x+5>1
    (2x+1)/3>x-1
    x+2≤4(x-1)
    2x<5
    3x+1>0
    4x-3≤5x
    2x>-6

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