Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - Chapter 3 Review Problem Set: 27

Answer

$m=\dfrac{y-b}{x}$

Work Step by Step

Using the properties of equality, in terms of $ m,$ the given equation, $ y=mx+b ,$ is equivalent to \begin{array}{l}\require{cancel} y-b=mx \\\\ \dfrac{y-b}{x}=\dfrac{mx}{x} \\\\ m=\dfrac{y-b}{x} .\end{array}
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