Algebra 1

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

Chapter 1 - Foundations for Algebra - Chapter Review - 1-1 Variables and Expressions - Page 69: 12


The sum of 12 and a number $a$.

Work Step by Step

The translation of the addition operation in word phrase is "sum." Thus, $12+a$ means: "The sum of 12 and a number $a$."
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