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

### Instruction:
 第一节体育课的学生人数是第二节体育课学生人数的两倍减去5。第一节体育课有11名学生。第二节体育课有多少名学生？


### Response:
 设第八节体育课的学生人数为x。
2x-5=11
2x=11+5=16
2x=16
x=<<8=8>>8