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

### Instruction:
Stacy has 32 berries. Steve takes 4 of Stacy's berries, and still has 7 less berries than Stacy started with. How many berries did Steve start with?

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