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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0.5-0.4x ≤0.4x+1.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        0.5 - 0.4 * x ≤0.4 * x + 1.5         (1)

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    From inequality(1)：
         x ≥ -5/4

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    The final solution set is :
         x ≥ -5/4

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