Answer
$50^{\circ}$
Work Step by Step
$180-x=2(90-x)+50$
$180-x=180-2x+50$
$2x-x=180-180+50$
$x=50^{\circ}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 2 - Section 2.2 - An Introduction to Problem Solving - Exercise Set - Page 68: 76
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