Mathematics
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    3(3a-1)-5>8(a-8)+6
    ex-x-1>0
    9x+8(30-x)>150
    9x+8(30-x)>140
    2x<-1
    5-1/2(x+4)≥x
    (x+1)/3≥(x-1)/5
    5-1/2x+2≥x
    2x-7<3x-3
    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

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