Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 1 - Section 1.5 - Introduction to Geometric Proof - Exercises - Page 42: 3

Answer

Subtraction property of equality

Work Step by Step

Subtracting 5 to each side of the equation x + 5 = 12 x + 5 - 5 = 12 - 5 x = 7
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