Answer
x=8$^{\circ}$
$\angle$RSV=69$^{\circ}$
Work Step by Step
$\angle$RST+$\angle$TSV=$\angle$RSV
5(x+1)-3+4(x-2)+3=4(2x+3)-7
5x+5-3+4x-8+3=8x+12-7
9x-3=8x+5
x=8
$\angle$RSV=4(2x+3)-7
$\angle$RSV=8x+5
$\angle$RSV=8(8)+5
$\angle$RSV=69°
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 1 - Section 1.4 - Angles and Their Relationships - Exercises - Page 38: 20
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