#### Answer

Expression: -7x, Reciprocal: $-\frac{1}{7x}$

#### Work Step by Step

The opposite of a number is one in which their sum equals 0.
-7x + 7x = 0
An expression's reciprocal is a number in which their product equals 1.
-7x ($-\frac{1}{7x}$) = 1

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

Expression: -7x, Reciprocal: $-\frac{1}{7x}$

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