## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

# Chapter 1 - Introduction to Algebraic Expressions - 1.6 Subtraction of Real Numbers - 1.6 Exercise Set - Page 49: 39

-15

#### Work Step by Step

The opposite of a real number $a$ is written $-a$. That is, the opposite of a number is the negative of a number. Therefore, we can place a negative sign in front of a number to find its opposite. $-(15)=-15$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.