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

### Instruction:
 Stacy ana matunda 32. Steve anachukua matunda 4 ya Stacy, na bado ana matunda 7 chini ya Stacy alianza nayo. Steve alianza na matunda mangapi?


### Response:
 Hebu x iwe idadi ya matunda Steve alianza nayo.
32-7=x+4
25=x+4
21=x