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 - Chapter 1 Test - Page 39: 1



Work Step by Step

We start with the given expression: $6+(-7)-4+12$ Since there is only addition and subtraction here, we simply add and subtract from left to right: $-1-4+12=-5+12=7$
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