Exercise 3.1-3.2 solving inequalities and absolute value (3)

EXERCISE 3.1 : SOLVING INEQUALITIESEXERCISE 3.1 : SOLVING INEQUALITIES ANSWER EXERCISE 3.1: SOLVING INEQUALITYEXERCISE 3.2 : SOLVING INEQUALITIES INVOLVING ABSOLUTE VALUEEXERCISE 3.2: SOLVING INEQUALITIES INVOLVING ABSOLUTE VALUEANSWER EXERCISE 3.2: ABSOLUTE VALUE