Overview: 2 questions will be solved this time.Among them
           ☆2 inequalities

[ 1/2Inequality]
    Assignment:Find the solution set of inequality 5-7x >= 2x-4 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        5 - 7 * x >= 2 * x - 4         (1)

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    From inequality(1)：
         x ≤ 1

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    The final solution set is :
         x ≤ 1
[ 2/2Inequality]
    Assignment:Find the solution set of inequality 1-(3x-3)/4 <0.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1 - ( 3 * x - 3 ) / 4 <0.5         (1)

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    From inequality(1)：
         x ＞ 5/3

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    The final solution set is :
         x ＞ 5/3

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