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

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

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    From inequality(1)：
         x ≥ -3

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    The final solution set is :
         x ≥ -3

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