Answer
x = 4 OR -10
Work Step by Step
Two points (0, 7) and (7, 7) are 7 units apart horizontally on the x-axis.
Two points (-3, 2) and (x, 2) must also be 7 units apart horizontally on the x-axis:
Therefore, x = 4 or -10
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - Common Core Cumulative Standards Review - Selected Response - Page 482: 22
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