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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 15 <= 5-2(4m+7) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        15 <= 5 - 2 * ( 4 * m + 7 )         (1)

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    From inequality(1)：
         m ≤ -3

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    The final solution set is :
         m ≤ -3

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