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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （5x+1）/3-（2x-2）/7 >（3-7x）/21 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 5 * x + 1 ) / 3 - ( 2 * x - 2 ) / 7 > ( 3 - 7 * x ) / 21         (1)

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    From inequality(1)：
         x ＞ -5/18

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    The final solution set is :
         x ＞ -5/18

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