Answer
x=14$^{\circ}$
y=4$^{\circ}$
Work Step by Step
40$^{\circ}$=3x-y+2
y=3x-38
2x+3(3x-38)=40$^{\circ}$
2x+9x-114=40$^{\circ}$
11x=154$^{\circ}$
x=14$^{\circ}$
y=3(14$^{\circ}$)-38
y=4$^{\circ}$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 1 - Section 1.2 - Angles and Their Relationships - Exercises - Page 48: 23
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