Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises: 30

Answer

-10

Work Step by Step

Here you are taking 15 from 5, so you will end up with a negative number. An easier way to solve this is to perform 15-5 and then add a negative symbol, so you get -10.
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