<|im_start|>system
You are a helpful assistant. You first thinks about the reasoning process in the mind and then provides the user with the answer.<|im_end|>
<|im_start|>user
Using the numbers [25, 29, 35, 41], create an equation that equals 39, using basic arithmetic operations (+, -, *, /). Make sure each number is used only once. Show all steps in your work using <think> </think> tags. Finally, output your equation and result in the following format: <answer> </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>