Answer:
A
Step-by-step explanation:
Step-by-step explanation:

Solve b part yourself in the same way.
Answer:
-8a - 7b - 7c
Step-by-step explanation:
-8a - 2b - 10c - (5b - 3c)
Negate 5b and -3c
-8a - 2b - 10c - 5b + 3c = -8a - 7b - 7c
Answer: e er
e er
Step-by-step explanation: e er