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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 7.5+2*(x-1) >0.8*(75+3.4*(x-20)) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        7.5 + 2 * ( x - 1 ) >0.8 * ( 75 + 3.4 * ( x - 20 ) )         (1)

---

    From inequality(1)：
         x < -0.138889

---

    The final solution set is :
         x < -0.138889

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