6 1/3 + (y - 2 1/3) = 8

Convert mixed numbers to improper fractions: 20/3 + (y - 7/3) = 8.

Simplify the equation: 20/3 + y - 7/3 = 8, which becomes 13/3 + y = 8.

Isolate y: y = 8 - 13/3.

Calculate the final value: y = 24/3 - 13/3 = 11/3.