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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 20000*(1+4.2%)*7.1 ≥20000*(7.1-X) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        20000 * ( 1 + 4.2 % ) * 7.1 ≥20000 * ( 7.1 - x )         (1)

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    From inequality(1)：
         x ≥ -1491/5000

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    The final solution set is :
         x ≥ -1491/5000

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