Prealgebra (7th Edition)

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

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set: 89



Work Step by Step

$23(x+4)=32(x+4)$ $\longrightarrow$distributive property $23x+92=32x+128$ $\longrightarrow$addition property $23x+92-23x-128=32x+128-23x-128$ $\longrightarrow$ simplify $-36=9x$ $\longrightarrow$multiplication property $-36\div9=9x\div9$ $\longrightarrow$simplify $-4=x$
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