Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.2 - Solving Equations: Review of the Addition and Multiplication Properties - Exercise Set: 84

Answer

$2x-30$

Work Step by Step

Twice a number indicates multiplication by 2. Decreased by indicates subtraction. Twice a number decreased by thirty is $2x-30$
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