Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 4 - Linear Systems - 3-1 Solving Systems Using Tables and Graphs - Practice and Problem-Solving Exercises - Page 139: 17



Work Step by Step

Add the two lines together, and it comes out with 0=0, since that statement is true, the system is dependent. $7x-y=6$ $\underline{-7x+y=-6}$ $0+0=0$
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