Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Review Exercises: 3

Answer

z=12

Work Step by Step

7z-3=6z+9 7z-3+3=6z+9+3 7z=6z+12 7z-6z=6z-6z+12 z=0+12 z=12 Check the answer. 7(12)-3=6(12)+9 84-3=72+9 81=81
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