Answer:
D. 10x + 8y -12
Step-by-step explanation:
-6x - 12 + 8y + 16x
-6x + 16x -12 + 8y
10x + 8y - 12
[tex] - 6x + 16x + 8y - 12 \\ 10x + 8y - 12[/tex]
D. 10x+ 8y-12
letter d is the answer