## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$x \lt 16$
Add $2x$ to both sides of the inequality: $x-28+2x\lt 20-2x+2x \\3x-28\lt 20$ Add $28$ to both sides of the inequality: $3x-28+28\lt 20+28 \\3x \lt 48$ Divide $3$ to both sides of the inequality: $\frac{3x}{3} \lt \frac{48}{3} \\x \lt 16$