Answer:
11. the first one 12. the last one
Step-by-step explanation:
11 - the first option
12-the second option
-2(-x-1)-(x+9)
= -2x + 2 - x - 9
Rearrange
= -2x - x + 2 - 9
= -3x - 7
4
B,C, and D
Give thanks and brainliest!! :P
