Answer
$3(12-x)$
Work Step by Step
The difference of 12 and a number $x$ is represented as $12-x$. Three times that would be $3(12-x)$.
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 1 - Expressions, Equations, and Inequalities - 1-4 Solving Equations - Practice and Problem-Solving Exercises - Page 32: 76
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