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: 60

Answer

-12

Work Step by Step

Change the signs of the numbers being subtracted, then add. $-4+6-7-5+6-7-1=-4+6+(-7)+(-5)+6+(-7)+(-1)=12+(-24)=-12$
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