Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - Concept Byte - Always, Sometimes, or Never: 21

Answer

Always

Work Step by Step

When you add by 0, nothing changes, so x +0=x will always be true. Therefore, your answer is always.
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