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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -2 <= 7/2(1+3x) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -2 <= 7 / 2 * ( 1 + 3 * x )         (1)

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    From inequality(1)：
         x ≥ -0.52381

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    The final solution set is :
         x ≥ -0.52381

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