Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 8/X <9/(X+1) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        8 / X <9 / ( X + 1 )         (1)
        From the definition field of divisor
        x ≠ 0        (2 )
        From the definition field of divisor
         x + 1 ≠ 0        (3 )

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    From inequality(1)：
         -1 < X < 0 或  X ＞ 8
    From inequality(2)：
         X < 0 或  X ＞ 0
    From inequality(3)：
         X < -1 或  X ＞ -1

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    From inequalities (1) and (2)
         -1 < X < 0 或  X ＞ 8    (4)
    From inequalities (3) and (4)
         -1 < X < 0 或  X ＞ 8    (5)

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    The final solution set is :
         -1 < X < 0 或  X ＞ 8

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