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 (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: 24
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