Respuesta :
Answer:
-3a-1/2b
Step-by-step explanation:
1/2 (2a+b) - (4a+b)= a+1/2b-4a-b = -3a-1/2b
Answer:-3a-1/2b
Now it’s done: 1/2 (2a+b) - (4a+b)= a+1/2b-4a-b = -3a-1/2b
Now it’s done: 1/2 (2a+b) - (4a+b)= a+1/2b-4a-b = -3a-1/2b