Answer
$$ z=\frac{x+y}{xy-1}$$
Work Step by Step
In order to solve for z, we must get all of the z terms on one side of the equation and then isolate z. Thus, we find:
$$ xyz-z = x+y \\ z(xy-1)=x+y \\ z=\frac{x+y}{xy-1}$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.4 Rewrite Formuilas and Equations - 1.4 Exercises - Skill Practice - Page 31: 29
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