Answer
$78=x-92$
Work Step by Step
Let $x$ be the unknown number. The given description, "$78$ is $92$ less than some number" translates to
\begin{array}{l}\require{cancel}
78=x-92
.\end{array}
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - Study Summary - Practice Exercises - Page 72: 3
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