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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 17 <= 2-3x <= 18 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        17 <= 2 - 3 * x         (1)
         2 - 3 * x <= 18         (2)

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    From inequality(1)：
         x ≤ -5
    From inequality(2)：
         x ≥ -16/3

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    From inequalities (1) and (2)
         -16/3 ≤ x ≤ -5    (3)

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    The final solution set is :
         -16/3 ≤ x ≤ -5

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