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
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Review Exercises - Page 203: 3
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