Algebra: A Combined Approach (4th Edition)

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: 40


31° and 59°.

Work Step by Step

$x+(2x-3)=90$ $3x-3=90$ $3x=93$ $x=31$ $(2x-3)=2*31-3=62-3=59$
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