Answer
31° and 59°.
Work Step by Step
$x+(2x-3)=90$
$3x-3=90$
$3x=93$
$x=31$
$(2x-3)=2*31-3=62-3=59$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Exercise Set - Page 135: 40
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