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

### Instruction:
Yesterday, the newly opened animal shelter received their first 60 animals. They got 20 more cats than dogs. How many cats did they take in?

### Response:
 Hebu x iwe idadi ya mbwa.
Walichukua paka 20+x.
Jumla ya wanyama ni x+(20+x)=60
2x+20=60
2x=40
x=<<20=20>>20
Walikuwa na paka 20+20=<<20+20=40>>40.