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Standard XII
Mathematics
Question
If
9
x
−
1
=
3
2
x
−
1
−
486
, then the value of
x
is
3.5
2.5
1.5
0
A
2.5
B
3.5
C
1.5
D
0
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Solution
Verified by Toppr
9
x
−
1
=
3
2
x
−
1
−
486
3
2
x
−
2
=
3
2
x
−
1
−
2.
3
5
2.
3
5
=
3
2
x
−
1
(
1
−
1
3
)
=
3
2
x
−
1
.
2
3
=
2.
3
2
x
−
2
3
5
=
3
2
x
−
2
2
x
−
2
=
5
2
x
=
7
x
=
7
2
=
3.5
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