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 338: 38



Work Step by Step

x+2y=7 x+2y-2y=7-2y x=7-2y Plug this value for x into the other equation 2x+y=8 2(7-2y)+y=8 14-4y+y=8 14-3y=8 14-14-3y=8-14 -3y=-6 y=$\frac{-6}{-3}$ y=2 Therefore the solution is {(3,2)}
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