A base-10 integer $n=4\triangle_9=\triangle0_7$, where $\triangle$ represents a single digit. What is the value of $n$?
Question:
A base-10 integer $n=4\triangle_9=\triangle0_7$, where $\triangle$ represents a single digit. What is the value of $n$?
Answer:
Let's think step by step.

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A base-10 integer $n=4\triangle_9=\triangle0_7$, where $\triangle$ represents a single digit. What is the value of $n$?
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