13. Which expressions are equivalent to the expression shown below? Select all that apply.
8x + (-6y) - 4x + 4y + 12
A. -16xy + 12
B. 10x + 8y + 12
C. 6x-4y + 12
D. (8x - 4x) + (-6y + 4y) + 12
E. 8xy + 12
F. 4x + (-2y) + 12
Simplify the expression