Answer
solution
Work Step by Step
Plug the ordered pair (5,-5) into both equations to see if it is a solution
2x+y=5
2(5)+(-5)=5
10-5=5
5=5
x+3y=-10
(5)+3(-5)=-10
5-15=-10
-10=-10
These statements are true therefore this is a solution.
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 4 - Test - Page 339: 1
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