Solve the inequalities below. Graph your solutions on number lines. Explain your steps for part (c).
Look at problem 11-21 in Lesson 11.1.2, which is similar to this problem.
Solve as an equation to find the boundary point.
Then check points in each region to determine which region is the solution.
Multiply by 3 to cancel out the fraction.
Distribute and then solve.
Multiply by a common factor to cancel out the fractions.