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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 5x+7(40-x) <= 230 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        5 * x + 7 * ( 40 - x ) <= 230         (1)

---

    From inequality(1)：
         x ≥ 25

---

    The final solution set is :
         x ≥ 25

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