Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 6 - Systems of Equations and Inequalities - 6-2 Solving Systems Using Substitution - Lesson Check - Page 371: 6

Answer

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Work Step by Step

This is debatable (and depends on the person), but the general notion is that if it is fairly easy to isolate one variable on one side of the equation, then the substitution method is better, but if it is difficult to isolate a variable, then graphing is a better method.
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