Answer
z=-1
Work Step by Step
5z+7=6(z-2)-4(2z-3)
5z+7=6(z)-6(2)-4(2z)-4(-3)
5z+7=6z-12-8z+12
5z+7=(6z-8z)+(-12+12)
5z+7=-2z+0
5z=-2z-7
5z+2z=-7
7z=-7
z=$\frac{-7}{7}$
z=-1
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 - Mid-Chapter Check Point - Page 155: 11
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
