Prealgebra (7th Edition)

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

Chapter 3 - Review - Page 205: 51

Answer

$n=11$

Work Step by Step

$5(n-3)=7+3n$ $\longrightarrow$distributive property $5n-15=7+3n$ $\longrightarrow$addition property $5n-15+15-3n=7+3n+15-3n$ $\longrightarrow$combine like terms $2n=22$ $\longrightarrow$multiplication property $2n\div2=22\div2$ $\longrightarrow$simplify $n=11$
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