Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.6 Solving Equations - 9.6 Exercises: 29

Answer

$z=\frac{87}{8}$

Work Step by Step

We are given the equation $z-\frac{7}{8}=10$. Add $\frac{7}{8}$ to both sides. $z-\frac{7}{8}+\frac{7}{8}=10+\frac{7}{8}$ $z+0=10+\frac{7}{8}=\frac{80}{8}+\frac{7}{8}=\frac{80+7}{8}=\frac{87}{8}$ $z+0=\frac{87}{8}$ Therefore, $z=\frac{87}{8}$.
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