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 - Page 137: 30



Work Step by Step

Using the properties of equality, in terms of $ y,$ the given equation, $ x+3y=7 ,$ is equivalent to \begin{array}{l}\require{cancel} 3y=-x+7 \\\\ y=\dfrac{-x+7}{3} .\end{array}
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