## Algebra 1: Common Core (15th Edition)

$z\lt13$
$6z-15\lt4z+11$ Add 15 to both sides: $6z-15+15\lt4z+11+15$ Simplify: $6z\lt4z+26$ Subtract 4z from both sides $6z-4z\lt4z-4z+26$ Simplify: $2z\lt26$ Divide both sides by 2: $\frac{2z}{2}\lt\frac{26}{2}$ Simplify: $z\lt13$