<|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
Given the numbers [90, 30, 5], find a way to create an equation that equals 150. Use basic arithmetic operations (+, -, *, /) and ensure each number is used only once. Show your work in <think> </think> tags and return the final equation and solution in the following format: <answer> </answer>. Example: <answer> (90 / 30 - 5) * 5 = 150 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>