Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.5 - Addition of Real Numbers - Exercise Set - Page 65: 105

Answer

$$7 + (-10) = -3$$

Work Step by Step

In this problem, we are adding a $-10$, meaning that we are going more left on the number line. If we are at $+7$ on the number line and go left $10$ spots, then we will be at $-3$. Therefore, $$7 + (-10) = -3$$
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