## Prealgebra (7th Edition)

$y=65$
$|-13|+32=100y-|-20|-99y\rightarrow$ resolve absolute values $13+32=100y-20-99y\rightarrow$ combine like terms $45=y-20\rightarrow$ add 20 to both sides $45+20=y-20+20\rightarrow$ simplify $65=y$