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 - Review Exercises - Page 337: 22



Work Step by Step

x-4=0 x-4+4=0+4 x=4 There is no y in this equation, therefore x must equal 4. Plug this value for x into the other equation to find y. 9x-2y=0 9(4)-2y=0 36-2y=0 36-36-2y=-36 -2y=-36 y=$\frac{-36}{-2}$ y=18 Therefore the solution is {(4,18)}
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