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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1.8n <18+（n-1）5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1.8 * n <18 + ( n - 1 ) * 5         (1)

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    From inequality(1)：
         n ＞ -65/16

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    The final solution set is :
         n ＞ -65/16

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