\[\left( 11\frac{2}{11} + y \right) - 5\frac{4}{11} = 8\frac{8}{11}\]
\[11\frac{2}{11} + y = 8\frac{8}{11} + 5\frac{4}{11}\]
\[11\frac{2}{11} + y = 13\frac{9}{11}\]
\[y = 13\frac{9}{11} - 11\frac{2}{11}\]
\[y = 2\frac{7}{11}.\]