Elementary Algebra

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

Chapter 8 - Coordinate Geometry and Linear Systems - 8.1 - Cartesian Coordinate System - Problem Set 8.1: 30

Answer

$y=\dfrac{3}{4}x+\dfrac{7}{4}$

Work Step by Step

Using the properties of equality, in terms of $ y ,$ the given expression, $ 3x-4y=-7 ,$ is equivalent to \begin{array}{l}\require{cancel} -4y=-3x-7 \\\\ y=\dfrac{-3}{-4}x-\dfrac{7}{-4} \\\\ y=\dfrac{3}{4}x+\dfrac{7}{4} .\end{array}
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