Answer
solution
Work Step by Step
Plug (1,-5) into both equations to see if it is a solution.
4x-y=9
4(1)-(-5)=9
4+5=9
9=9
2x+3y=-13
2(1)+3(-5)=-13
2-15=-13
-13=-13
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 - Review Exercises - Page 337: 1
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