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: 11

Answer

$x=8$

Work Step by Step

"Times" indicates multiplication. "Added to" indicates addition. The comma tells us to perform the multiplication before the addition. $3x+9=33$ $\longrightarrow$addition property $3x+9-9=33-9$ $\longrightarrow$combine like terms $3x=24$ $\longrightarrow$multiplication property $3x\div3=24\div3$ $\longrightarrow$divide $x=8$
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