Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 2 - Section 2.1 - Addition of Signed Numbers - Signed Numbers Drill 1: 28

Answer

-4

Work Step by Step

Because the signs are the same, add the absolute value of (-2) and (-2) which is 2 + 2 = 4, put a negative sign in front of the result, -4
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