$$x-(-5)=5\Rightarrow$$$${\mathtt{x}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{5}} \Rightarrow {\mathtt{x}} = {\mathtt{0}}$$
.$$x-(-5)=5\Rightarrow$$$${\mathtt{x}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{5}} \Rightarrow {\mathtt{x}} = {\mathtt{0}}$$