Answer
$31.4-15.4=x$
Work Step by Step
Let x be the unknown length of the commute in N Dakota. The equation "$31.4-15.4=x$", when solved for x, will give the length of the commute in N Dakota.
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 - 1.1 Introduction to Algebra - 1.1 Exercise Set - Page 9: 62
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