Chapter 2 - Equations, Inequalities, and Problem Solving - Mid-Chapter Review - Mixed Review - Page 103: 6

$x=-8$

Using the properties of equality, the solution to the given equation, $ -\dfrac{3}{2}x=12 $, is \begin{array}{l} \left(-\dfrac{2}{3} \right)\left(-\dfrac{3}{2}x\right)=12\left(-\dfrac{2}{3} \right) \\\\ x=4(-2) \\\\ x=-8 .\end{array}