To find the original point before the translation, we need to reverse the translation. Since the endpoint was translated 3 units down and 1 unit to the left, we will do the opposite: we will move it 3 units up and 1 unit to the right.
The translated point is (5, 8).
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Moving 3 units up from 8 gives us: \( 8 + 3 = 11 \)
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Moving 1 unit to the right from 5 gives us: \( 5 + 1 = 6 \)
Therefore, the original point before the translation is \( (6, 11) \).