Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises - Page 93: 48



Work Step by Step

$z=\dfrac{x-\mu}{\sigma}$ $,$ for $x$ Take $\sigma$ to multiply the left side: $z\sigma=x-\mu$ Take $\mu$ to the left side: $z\sigma+\mu=x$ Rearrange: $x=z\sigma+\mu$
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