Work with a partner. Consider the absolute value equation |x + 2|= 3. +21=3. a. On a real number line, locate the point for which x + 2 = 0. 10-9 8-7-6-5-4-3-2-1 0 1 2 3 4 5 6 7 8 9 10 b. Locate the points that are 3 units from the point you found in part (a). What do you notice about those points? c. How can you use a number line to solve an absolute value equation?