Answer:
option 3
Step-by-step explanation:
hope it helps!!!!!
Answer:

Step-by-step explanation:
Remove parenthesis: (a) = a



Simplify 

Regards,
Mordancy
Answer: 2 286/624
Step-by-step explanation:
96 * 16= 1536
125* 5= 625
2 286/ 625
-4x - 4 would be your answer
STEP BY STEP:
1. (7x+4x-9) - (5x + 10x - 5)
2. (11x -9) - (15x -5)
3. -4x -4