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JAMB Mathematics 2011 Paper
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© africaexams.com
Question : 21
Total: 46
If
|
2
3
5
3
x
|
=
|
4
1
3
2
x
|
, find the value of x.
-6
6
-12
12
Validate
Solution:
|
2
3
5
3
x
|
=
4
1
3
2
x
|
(2 x 3x) - (5 x 3) = (4 x 2x) - (3 x 1)
6x - 15 = 8x - 3
6x - 8x = 15 - 3
-2x = 12
x =
12
−
2
= -6
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