\[\boxed{\text{959\ (959).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ x - y = 10\ \ \]
\[x = 10 + y\ \ \]
\[(11;1),\ (10;0),\ (12;2).\]
\[2)\ 2y - 5x = 11\ \ \]
\[2y = 11 + 5x\ \ \]
\[y = \frac{11 + 5x}{2}\]
\[y = 5,5 + 2,5x\ \ \]
\[(0;5,5),\ (1;8),\ (2;10,5).\]