Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.1 Applying Properties of Real Numbers - 1.1 Exercises - Skill Practice - Page 6: 20

Answer

The statement is true.

Work Step by Step

$(a+b)-c=(a+b)+(-c)\qquad $(definition of subtraction) $= a+(b+(-c)) \qquad $(associative property of addition) $=a+(b-c) \qquad $(definition of subtraction) (LHS = RHS) The statement is true.
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