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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -(3/2n-9) ≥9/4n .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -( 3 / 2 * n - 9 ) ≥9 / 4 * n         (1)

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    From inequality(1)：
         n ≤ 12/5

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    The final solution set is :
         n ≤ 12/5

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