Answer
x=7
y=3
Work Step by Step
AB=CD
x+y=2x-y-1
x=2y+1
BC=DA
x+2y=3x-3y+1
(2y+1)+2y=3(2y+1)-3y+1
4y+1=6y+3-3y+1
y=3
x=2y+1
x=2(3)+1
x=7
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 4 - Section 4.3 - The Rectangle, Square, and Rhombus - Exercises - Page 202: 10
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