Answer
Open
Work Step by Step
There is a variable in this equation, so this equation is open. After all, since the variable does not cancel out, we know that whether or not this equation is true depends on what value for the variable is used.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 1 - Foundations for Algebra - 1-8 An Introduction to Equations - Practice and Problem-Solving Exercises - Page 56: 8
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