Problems 7-8
See Example 1. Simplify the expression inside the absolute value before finding
the absolute value. For example |-3 + 5| is not the same as |-3| + |5|. We find:
|-3 + 5| = |2| = 2
|-3| + |5| = 3 + 5 = 8
Note: Homework Hints are given only for the levels 1 and 2 problems.