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TMUA 2018 · Paper 1 · Question 15
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Find the sum of the real solutions of the equation:
3
x
−
(
3
)
x
+
4
+
20
=
0
A
1
B
4
C
9
D
lo
g
3
20
E
2
lo
g
3
20
F
4
lo
g
3
20
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