Answer
$x=5,y=-3$
Work Step by Step
Given: $x+y=2$ and $x-y=8$
After adding the given two equations, we have
$2x=10$
or, $x=5$
Now, $5+y=2$
or, $y=2-5=-3$
Thus, $x=5,y=-3$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 3 - Section 3.2 - Problem Solving and Business Applications Using Systems of Equations - Exercise Set - Page 204: 2
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