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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 280x十10x >950十3400 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        280 * x + 10 * x >950 + 3400         (1)

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    From inequality(1)：
         x ＞ 15

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    The final solution set is :
         x ＞ 15

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