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: 29

Answer

Infinite

Work Step by Step

Rearranging, the x and y variables are on the left hand side. Multiplying the second equation by 2, we see the equations are the exact same. Since they are the same, all solutions work.
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