Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 4 - Test: 1

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.
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