Answer
12/5
Work Step by Step
Isolating x on one side of the equation, we find:
$$ -5x = -12 \\ x=\frac{12}{5}$$
Checking:
$$ -9(\frac{12}{5})+7 = -4(\frac{12}{5}) -5 \\ -14.6=-14.6$$
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 4 Quadratic Functions and Factoring - 4.1 Graph Quadratic Functions in Standard Form - 4.1 Exercises - Mixed Review - Page 243: 64
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