Answer
$z=1$
Work Step by Step
Step 1. Combine like terms on the right side of the equation.
$-5=10z-15z=(10-15)z=-5z$
Step 2. Divide both sides by -5.
$\frac{-5}{-5}=\frac{-5z}{-5}$
$z=1$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 9 - Basic Algebra - 9.7 Solving Equations with Several Steps - 9.7 Exercises - Page 679: 50
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.
