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

### Instruction:
Thomas, Toby, and Rebecca worked a total of 157 hours in one week.  Thomas worked x hours.  Toby worked 10 hours less than twice what Thomas worked, and Rebecca worked 8 hours less than Toby.  How many hours did Rebecca work?

### Response:
 โทบี้: 2x-10
เรเบก้า: ((2x-10)-8)=2x-18
รวม: x+2x-10+2x-18=157
5x-28=157
5x=185
x=<<37=37>>37 ชั่วโมง
เรเบก้า: 2(37)-18=56 ชั่วโมง