Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 8 - Systems of Linear Equations and Problem Solving - 8.2 Solving by Substitution or Elimination - 8.2 Exercise Set - Page 517: 67

Answer

See if there is anything that can be canceled out.

Work Step by Step

To see if elimination is the best method, see if there are any values that can be easily canceled out in both expressions. To see if substitution is better, see if there are any variables that can be easily isolated.
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