Interpret Absolute Value Functions as Piecewise

What would the piecewise function: $$y=\left\{\begin{matrix} -2x-6\,\,\,\,\text{if}\,\,\,\,-2x\geq0\\2x-6\,\,\,\,\text{if}\,\,\,\,-2x<0\end{matrix}\right.$$ look like as an absolute value function?