What is the smallest positive integer that satisfies the congruence $30x \equiv 42 \pmod{47}$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the smallest positive integer that satisfies the congruence $30x \equiv 42 \pmod{47}$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
39
What is the smallest positive integer that satisfies the congruence $30x \equiv 42 \pmod{47}$?
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