Answer
7+3+(-12)+(-23)
Work Step by Step
Subtracting a negative number is the same thing as adding a positive number. Subtracting a positive number is the same thing as adding a negative number. Therefore, 7-(-3)-12-23=7+3+(-12)+(-23)
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.6 - Subtraction of Real Numbers - Concept and Vocabulary Check - Page 70: 5
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