Elementary Technical Mathematics

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

Chapter 2 - Section 2.2 - Subtraction of Signed Numbers - Exercises - Page 112: 59



Work Step by Step

Change the signs of the numbers being subtracted, then add. $9-7+4+3-8-6-6+1=9+(-7)+4+3+(-8)+(-6)+(-6)+1=17+(-27)=-10$
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