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 1.6 - Subtraction of Real Numbers - Exercise Set - Page 73: 121

Answer

False, the solution is $9$.

Work Step by Step

$ 7-(-2)\qquad$...change the subtraction to addition $=7+2\qquad$...replace $-2$ with its opposite. $=9$
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