Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.4 - Properties of Real Numbers - R.4 Exercises - Page 38: 44



Work Step by Step

The associative property of addition holds that $a+(b+c)=(a+b)+c$ (for real numbers $a$, $b$, and $c$). Therefore, $-4+(12+8)=(-4+12)+8=(12-4)+8=8+8=16$.
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