Algebra: A Combined Approach (4th Edition)

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

Chapter 4 - Section 4.3 - Solving Systems of Linear Equations by Addition - Exercise Set: 11

Answer

x = 6 y = 0

Work Step by Step

x + y = 6 first equation x - y = 6 second equation _________________ 2x = 12 add the equations to eleminate y x = 6 divide both sides by 2 let x = 6 in first equaton x + y = 6 6 + y = 6 y = 0 subtract 6from both sides
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