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: 16



Work Step by Step

x=13-2y Plug this value for x into the other equation 2x-y=6 2(13-2y)-y=6 26-4y-y=6 26-5y=6 26-26-5y=6-26 -5y=-20 y=$\frac{-20}{-5}$ y=4 Plug this value for y into the first equation to find x x=13-2y x=13-2(4) x=13-8 x=5 {(5,4)}
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