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

### Instruction:
A farm has 5 less than 9 times the amount of hens as roosters.  If there are 75 total chickens, how many hens are there?

### Response:
 กำหนดให้ x เป็นจำนวนไก่ตัวผู้
จำนวนไก่เจาะจง: 9x-5
รวมทั้งหมด: 9x-5+x=75
10x-5=75
10x=80
x=<<8=8>>8
จำนวนไก่เจาะจง: 9(8)-5=67