Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.1 - The Additon Property of Equality - Exercise Set: 57


v = 180 - x

Work Step by Step

Recall that two angles are supplementary if their sum is 180°. If one angle measures x°, express the measure of its supplement in terms of x. 180 = x + v 180 - x = x + v - x 180 - x = v
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