Answer
negative
Work Step by Step
Since a and b are both to the left of the zero on the number line they must both be negative. When you add two negative numbers you get a negative sum so the solution must be negative.
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: 96
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