Answer
2
Work Step by Step
Isolating x on one side of the equation, we find:
$$ 7x = 14 \\ x=2$$
Checking:
$$ 5(2)-2=-2(2)+12 \\ 8=8$$
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: 65
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