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 - Practice and Problem-Solving Exercises - Page 372: 35

Answer

The student made the substitution into the same equation where the substitution was calculated. The student should have made the substitution for x into the equation $7x+5y = 14$.

Work Step by Step

The second equation was where the substitution was made and calculated. The first equation was where the substitution should have been made.
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