Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.4 - Integers: Multiplication and Division - Problem Set 1.4 - Page 26: 54



Work Step by Step

When we are simplifying a fraction, we simplify the numbers in the numerator and the denominator before dividing. Because multiplication is before addition in order of operations, we first multiply and then we add. $-48+(-56) \div -8 \\\\ -104 \div -8$ In this problem, we are dividing two negative numbers. Remember, when we divide two negative numbers, the negatives cancel out, meaning that our answer will be positive. Thus, we find: $-104 \div -8=13$
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