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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 20-0.4x ≤x .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        20 - 0.4 * x ≤ x         (1)

---

    From inequality(1)：
         x ≥ 100/7

---

    The final solution set is :
         x ≥ 100/7

Your problem has not been solved here? Please take a look at the  hot problems ！