Solve the congruence $2n \equiv 15 \pmod{47}$, as a residue modulo 47.  (Give an answer between 0 and 46.)
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Solve the congruence $2n \equiv 15 \pmod{47}$, as a residue modulo 47.  (Give an answer between 0 and 46.)
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
31
Solve the congruence $2n \equiv 15 \pmod{47}$, as a residue modulo 47.  (Give an answer between 0 and 46.)
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