Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - 9.2 Adding and Subtracting Signed Numbers - 9.2 Exercises - Page 640: 77

Answer

-10

Work Step by Step

According to the last step of order of operations, we must evaluate addition and subtraction from left to right. Therefore, $-2+(-11)-(-3)=-13-(-3)$. Next, change the minus sign to a plus sign and insert the opposite of the second number in place of the second number. $-13-(-3)=-13+(3)=-13+3=-10$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.