[tex]9x-\dfrac{6}{5}=-12\qquad\text{multiply both sides by 5}\\\\45x-6=-60\qquad\text{add 6 to both sides}\\\\45x=-54\qquad\text{divide both sides by 45}\\\\x=-\dfrac{54:9}{45:9}\\\\\boxed{x=-\dfrac{6}{5}}\to\boxed{x=-1\dfrac{1}{5}}[/tex]
