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Mathematics
Mathematics
Problem
Find all pairs of integers
(
x
,
y
)
(x, y)
(
x
,
y
)
that satisfy the equation
x
y
−
2
x
+
7
y
=
49
xy - 2x + 7y = 49
x
y
−
2
x
+
7
y
=
49
.
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