Graphing a multi step compound inequality - Math help

The video tutorial explains how to solve compound inequalities, starting with simplifying expressions using the distributive property. It covers solving inequalities separately and together, highlighting the importance of isolating the variable and flipping inequality signs when dividing by a negative number. The tutorial concludes with graphing the solution on a number line, emphasizing the points that satisfy both inequalities.

What happens to the inequality sign when you divide by a negative number?

Describe how to represent the solution of the inequality -10 < -2C ≤ 20 on a number line.