Answer
$x=110$, $y=70$
Work Step by Step
$x-40=y$
$x+y=180$
$x+(x-40)=180$
$2x-40=180$
$2x-40+40=180+40$
$2x=220$
$2x/2=220/2$
$x=110$
$x-40=y$
$110-40=y$
$70=y$
$x=110$, $y=70$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Cumulative Review - Page 600: 6
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