#### Answer

(6,2)

#### Work Step by Step

Add the 2 equations.
$\ \ x+y=8$
$\underline{\ \ x-y=4}$
$2x\ \ \ \ \ \ \ =12$ divide both sides by 2
$\ \ x\ \ \ \ \ \ \ =6$
Substitute and solve for y.
$x-y=4$
$6-y=4$
$6-y+y-4=4+y-4$
$6-4=y$
$2=y$

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

(6,2)

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