Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 2 - Reasoning and Proof - Chapter Review - Page 132: 31


a) Given b) Segment Addition Postulate c) Substitution d) Adddition property e) Subtraction property of equality f) Division property of equality

Work Step by Step

a) This equation was stated in the problem. b) The length of two adjacent segments sums to the length of the segment they comprise. c) The given values were substituted. d) The addition property allows us to combine like terms. e) 3 was subtracted from each side. f) Each side was divided by 3.
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