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

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

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    From inequality(1)：
         x ≥ 0

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    The final solution set is :
         x ≥ 0

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以下题目输入有误或有空行，请仔细检查，改正后再计算：
1==>错误类型：语法错误(7): 2x+1≤3}
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