College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.1 - Page 531: 89

Answer

See explanation

Work Step by Step

The substitution method is preferable to the addition method when one or more of the equations has a variable isolated on one side, such as the form x= 5y + 9.
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