Answer
13.5
Work Step by Step
Solving for y:
$$ 4y =9-15x \\y = 2.25 - 3.75x $$
Plugging in the given value of x:
$$y = 2.25 - 3.75(-3) =13.5 $$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.4 Rewrite Formulas and Equations - 1.4 Exercises - Skill Practice - Page 30: 10
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