Prealgebra (7th Edition)

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

Chapter 10 - Cumulative Review: 11

Answer

x= -1

Work Step by Step

$17-7x+3=-3x+21-3x$ $\longrightarrow$ combine like terms $20-7x=-6x+21$ $\longrightarrow$ addition property $20-7x+7x-21=-6x+21+7x-21$ $\longrightarrow$ combine like terms $-1=x$
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