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: 26

Answer

Infinite

Work Step by Step

First, since the variable is already isolated, we substitute the equivalent variables. This gives us 2(x/2+3)-x=6. Factoring out, we get x+6-x=6. Since 6=6 all the time, there are infinite solutions.
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