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CHAPTER 1 Basic Algebraic Operations. 1.1 Numbers. Real Number System • Number Line •. Absolute Value • Signs of Inequality •. Summary of the formal rules of algebra on the set of real numbers Hence, algebra has two fundamental operations: addition and multiplication. In this module we introduce the basic skills for addition, subtrac- tion, multiplication and division of algebraic expressions. Courses in. An algebraic expression involves numbers, operation signs, brackets/parenthesis and pronumerals that substitute numbers. Operator: The operation (+ ,− ,× We need to learn how our basic algebraic operations interact. When confronted with many operations, Fractions are essential to mathematics. In this chapter, you will learn to add, subtract, multiply, and divide algebraic expressions. Page 2. Recall that an algebraic expression that is a number, aIn Chapter 1, we present operations on real numbers, solving equations, and applications. This puzzle will help you familiarize yourself with some basic terms