Prealgebra (7th Edition)

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

Chapter 3 - Section 3.4 - Linear Equations in One Variable and Problem Solving - Exercise Set: 21


$3(x-5)=108\div12$ $x=8$

Work Step by Step

$3(x-5)=108\div12$ $\longrightarrow$distributive property $3x-15=108\div12$ $\longrightarrow$divide $3x-15=9$ $\longrightarrow$addition property $3x-15+15=9+15$ $\longrightarrow$simplify $3x=24$ $\longrightarrow$multiplication property $3x\div3=24\div3$ $\longrightarrow$simplify $x=8$
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