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Mathematics
Problem
Find the value of
x
x
x
for which
2
x
+
3
,
3
x
+
1
,
7
x
−
5
2x+3,\;3x+1,\;7x-5
2
x
+
3
,
3
x
+
1
,
7
x
−
5
are consecutive terms of an arithmetic progression.
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