Prealgebra (7th Edition)

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

Chapter 3 - Review: 52

Answer

$x=-5$

Work Step by Step

$7(2+x)=4x-1$ $\longrightarrow$distributive property $14+7x=4x-1$ $\longrightarrow$addition property $14+7x-4x-14=4x-1-4x-14$ $\longrightarrow$combine like terms $3x=-15$ $\longrightarrow$multiplication property $3x\div3=-15\div3$ $\longrightarrow$simplify $x=-5$
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