Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix B - Vocabulary and Readiness Check - Page 980: 8

Answer

16

Work Step by Step

Step 1: x+4=20 Step 2: x=20-4 Step 3: x=16
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