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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 12 <6x <14 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        12 <6 * x         (1)
        6 * x <14         (2)

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    From inequality(1)：
         x ＞ 2
    From inequality(2)：
         x < 7/3

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    From inequalities (1) and (2)
         2 < x < 7/3     (3)

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    The final solution set is :
         2 < x < 7/3

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