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 - Exercises: 50

Answer

-1

Work Step by Step

Sum all the positive addends. Sum all the negative addends. Find the sum of the two. $(-3)+(-9)+(+5)+(+6)=(-12)+(+11)=-1$
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