Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 8 - Coordinate Geometry and Linear Systems - 8.5 - Systems of Two Linear Equations - Problem Set 8.5 - Page 370: 65


The answer is below.

Work Step by Step

The advantage of doing this is that is requires less Math, for it does not necessitate that a person actually solve the system of equations. With this being said, because graphs are not perfect, solving using the graphing method can be less accurate.
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