Algebra 2 (1st Edition)

by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee

Published by McDougal Littell

ISBN 10: 0618595414

ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - Chapter Test - Page 65: 4

Answer

$2d+12=2d+12$, see explanation

Work Step by Step

Using the associative and commutative properties, $(3d+7)-d+5=2d+12$ or $(3d-d)+5+7=2d+12$ SImplifying shows us, $2d+12=2d+12$

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