3
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The expression $\frac{x-3}{4x}$ is equal to zero for what value of $x$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
3
The expression $\frac{x-3}{4x}$ is equal to zero for what value of $x$?
train