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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （4+x）/（x+2） ≥2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 4 + x ) / ( x + 2 ) ≥2         (1)
        From the definition field of divisor
         x + 2 ≠ 0        (2 )

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    From inequality(1)：
         -2 ≤ x ≤ 0
    From inequality(2)：
         x < -2 或  x ＞ -2

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    From inequalities (1) and (2)
         -2 < x ≤ 0     (3)

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    The final solution set is :
         -2 < x ≤ 0

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