## Prealgebra (7th Edition)

$x=8$
"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 $x=8$