Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
 Adam, Andrew na Ahmed wote wanafuga mbuzi. Adam ana mbuzi 7. Andrew ana mbuzi 5 zaidi ya mara mbili ya mbuzi wa Adam. Ahmed ana mbuzi 6 chini ya mbuzi wa Andrew. Mbuzi wangapi ana Ahmed?


### Response:
 Andrew: 5+2(7)=19 mbuzi
Ahmed: 19-6=13 mbuzi