Prealgebra (7th Edition)

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

Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set: 30

Answer

21x+0.4

Work Step by Step

(20x-0.8)+(x+1.2) =20x-0.8+x+1.2 =20x+x-0.8+1.2 =21x+0.4
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