Answer
$ 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 $4.5$
$\rightarrow y=\frac{1}{3}x-\frac{14}{3}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
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
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