Answer
-3.5
Work Step by Step
Solving the equation for x, we find:
$$x+4=-\frac{1}{4}x-\frac{3}{8} \\ \frac{5x}{4}=-\frac{35}{8} \\ x=-\frac{7}{2}$$
Checking this solution by plugging it back in, we find that the solution is correct.
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 13, Trigonometric Ratios and Functions - 13.4 Evaluate Inverse Trigonometric Functions - 13.4 Exercises - Mixed Review - Page 830: 41
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