Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 6 - Systems of Equations and Inequalities - 6-1 Solving Systems by Graphing - Practice and Problem-Solving Exercises - Page 369: 57


$ y=\frac{1}{3}x-\frac{14}{3}$

Work Step by Step

We are given: $1.5x-4.5y=21$ Subtract $1.5x$ from both sides: $4.5y=1.5x-21$ Divide both sides by $4.5$ $\rightarrow y=\frac{1}{3}x-\frac{14}{3}$
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