#### Answer

z = 0.21

#### Work Step by Step

-10z-0.5=-20z+1.6
-10z = -20z + 2.1
10z = 2.1
z = 0.21

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

z = 0.21

-10z-0.5=-20z+1.6
-10z = -20z + 2.1
10z = 2.1
z = 0.21

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.