What is the solution set of the given equation? 4y - 6y + 9y = -2

y$${\mathtt{y}} = {\mathtt{\,-\,}}{\frac{{\mathtt{2}}}{{\mathtt{7}}}} \Rightarrow {\mathtt{y}} = -{\mathtt{0.285\: \!714\: \!285\: \!714\: \!285\: \!7}}$$