## Algebra 1

$z\lt13$
$6z-15\lt4z+11\longrightarrow$ add 15 and subtract 4z from each side $6z-15+15-4z\lt4z+11+15-4z\longrightarrow$ combine like terms $2z\lt26\longrightarrow$ divide each side by 2 $2z\div2\lt26\div2\longrightarrow$ divide $z\lt13$