## Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole

# Chapter 1 - Section 1.4 - Angles and Their Relationships - Exercises: 18

x = 12

#### Work Step by Step

m$\angle$RSV = m$\angle$RST + m$\angle$TSV 67 = (2x+9) + (3x-2) 67 = 5x+7 60 = 5x x = 12

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