Answer
$y=\dfrac{-x+7}{3}$
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}
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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
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