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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 150x+180(5-x) <830 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        150 * x + 180 * ( 5 - x ) <830         (1)

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    From inequality(1)：
         x ＞ 7/3

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    The final solution set is :
         x ＞ 7/3

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