Answer
True
Work Step by Step
Adding zero to a number does not change the number.
It doesn't change its sign, then.
The statement is true.
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
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 64: 93
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