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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality ((5-t)+(-9+4t))/2 ≤3+t .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( ( 5 - t ) + ( -9 + 4 * t ) ) / 2 ≤3 + t         (1)

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    From inequality(1)：
         t ≤ 10

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    The final solution set is :
         t ≤ 10

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