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

### Instruction:
 Rachel ni miaka 4 mkubwa kuliko Leah. Ikiwa jumla ya umri wao ni 34, Rachel ana miaka mingapi?


### Response:
 Hebu tuchukue L = umri wa Leah
Rachel = L + 4
2L + 4 = 34
2L = 30
L = 15
Rachel = 15 + 4 = 19
Rachel ana miaka 19.