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Geometry Difficulty 2.0 Junior Find the answer United Kingdom

Reflection in the line $l$ transforms the point with coordinates $(5, 3)$ into the point with coordinates $(1, -1)$ . What is the equation of the line $l$ ?

(A) $y = x - 2$ (B) $y = 1$ (C) $x = 3$ (D) $y = 2 - x$ (E) $y = 4 - x$

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