Appendix A - Equations and Inequalities - Page 418: 95

The equivalent interval notation is (4,6).

$-11$ $\gt$ $- 3x + 1$ $\gt$ $- 17$ $- 11 - 1$ $\gt$ $- 3x$ $\gt$ $- 17 - 1$ $\frac{-12}{-3}$ $\lt$ $x$ $\lt$ $\frac{-18}{-3}$ (Inequality sign reversed because of multiplication of -3) $4$ $\lt$ $x$ $\lt$ $6$ The equivalent interval notation is (4,6).