## Precalculus (6th Edition) Blitzer

$(-18,6)$
Step 1. Rewrite the inequality as $-4\lt \frac{x}{3}+2\lt 4$ Step 2. Subtract 2 from all sides; we have $-6\lt \frac{x}{3}\lt 2$ Step 3. Multiply 3 to get the solution as $-18\lt x\lt 6$ or $(-18,6)$