$${\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\mathtt{3}}{\mathtt{\,\times\,}}{\mathtt{y}} = -{\mathtt{6}} \Rightarrow {\mathtt{y}} = {\mathtt{\,-\,}}{\frac{{\mathtt{7}}}{{\mathtt{3}}}} \Rightarrow {\mathtt{y}} = -{\mathtt{2.333\: \!333\: \!333\: \!333\: \!333\: \!3}}$$
.