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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (2519+x)/(2519+3101+x) >0.45 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2519 + x ) / ( 2519 + 3101 + x ) >0.45         (1)
        From the definition field of divisor
         2519 + 3101 + x ≠ 0        (2 )

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    From inequality(1)：
         x ＞ 200/11
    From inequality(2)：
         x < -5620 或  x ＞ -5620

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    From inequalities (1) and (2)
         x ＞ 200/11    (3)

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    The final solution set is :
         x ＞ 200/11

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