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: 51

Answer

-4

Work Step by Step

Change the signs of the numbers being subtracted, then add. $-9+8-5+6-4=-9+8+(-5)+6+(-4)=14+(-18)=-4$
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