## Elementary Algebra

Published by Cengage Learning

# Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.1 - Numerical and Algebraic Expressions - Concept Quiz 1.1: 3

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#### Work Step by Step

An algebraic expression is a collection of algebraic terms, variables, and numbers that are added together or subtracted. Therefore, $2x+y-4z$ is an algebraic expression because it is the addition of $2x$, $y$, and $-4z$.

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