Problems 29-37
See Examples 5 and 6. If you are working in mod 7 (as in Problem 29a), try each
possible value, namely x = 0, 1, 2, 3, 4, 5, and 6. If you are woking in mod 5
(as in Problem 29b), try each possible value, namely x = 0, 1, 2, 3, and 4.
Note: Homework Hints are given only for the levels 1 and 2 problems.