[tex]x,\ y-the\ numbers\\\\\underline{+\left\{\begin{array}{ccc}x+y=36\\2x-y=6\end{array}\right}\ \ \ \ |add\ both\ sides\ of\ equations\\.\ \ \ \ \ 3x=42\ \ \ \ |:3\\.\ \ \ \ \ \ x=14\\\\\text{put the value of x to the first equation}\\\\14+y=36\ \ \ \ |-14\\y=22\\\\Answer:\ 14\ and\ 22[/tex]