What is the sum of the coordinates of the midpoint of a line segment with endpoints at $(3,1)$ and $(5,1)$?
Question:
What is the sum of the coordinates of the midpoint of a line segment with endpoints at $(3,1)$ and $(5,1)$?
Answer:
Let's think step by step.

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What is the sum of the coordinates of the midpoint of a line segment with endpoints at $(3,1)$ and $(5,1)$?
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