### Home > INT2 > Chapter 9 > Lesson 9.3.1 > Problem 9-87

9-87.

Solve each inequality below and graph your solution on a number line.

Change the inequality to an equation and solve the equation. Use the solution(s) to the equation to divide the number line into regions. Test a point in each region to determine if the region is part of the solution or not.

Refer to part (a).

Divide both sides by

before trying to solve the inequality.