Let e₁ = (1, 0), e₂ = (0, 1). x₁ = (-8, -8) and x₂ = (6, 7).
Let T : R² → R² be a linear transformation that sends e₁ to x₁ and e₂ to x₂. If T maps (-6, 2) to the vector y, then y = ___.
(Enter your answer as an ordered pair. Such as (1, 0), including the parentheses).