Prealgebra (7th Edition)

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

Chapter 3 - Review: 88

Answer

$x=-1$

Work Step by Step

$9(3x-4)+63=0$ $\longrightarrow$distributive property $27x-36+63=0$ $\longrightarrow$combine like terms $27x+27=0$ $\longrightarrow$addition property $27x+27-27=0-27$ $\longrightarrow$combine like terms $27x=-27$ $\longrightarrow$multiplication property $27x\div27=-27\div27$ $\longrightarrow$divide $x=-1$
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