If $n$ gives a remainder of 3 when divided by 7, then what remainder does $2n+1$ give when divided by 7?
Question:
If $n$ gives a remainder of 3 when divided by 7, then what remainder does $2n+1$ give when divided by 7?
Answer:
Let's think step by step.

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If $n$ gives a remainder of 3 when divided by 7, then what remainder does $2n+1$ give when divided by 7?
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