Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 4 - Section 4.2 - Solving Systems of Linear Equations by Substitution - Exercise Set - Page 300: 1

Answer

y = 1 x = 2

Work Step by Step

x + y = 3 ; x = 2y Substitute x for 2y to the first equation. 2y + y = 3 3y = 3 (Divide both sides by 3) y = 1 Substitute y = 1 to the second equation x = 2 $\times$ 1 x = 2
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