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: 38

Answer

-5x + 5y = 50

Work Step by Step

-x + y = 10 multiply by 5 to both sides 5 ( -x + y ) = $5\times10$ -5x + 5y = 50
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