\(If $888x + 889y = 890$ and $891x + 892y = 893$, what is the value of $x - y$ ?\)
x - y = -5.
Solving, \(x = -1\) and \(y = 2\).
Thus, \(-1 - 2 = \color{brown}\boxed{-3}\)
+2666 
