Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.3 - Integers: Addition and Subtraction - Problem Set 1.3: 129

Answer

(a) The opposite of $x$ plus $y$. (b) $x$ minus $y$. (c) The opposite of $x$ minus $y$ plus $z$.

Work Step by Step

An algebraic expression like $-x - z$ can be put into words as "the opposite of $x$ minus $z$" since the opposite of $x$ is $-x$. By translating all of the given equations in this way, the answers can be found.
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