JAMB - Mathematics (2007 - No. 27)

Find the value of x for which 2(32x-1) = 162
5/2
3/2
2/5
1/2

Explanation

2(32x-1) = 162
32x-1 = 162/2
32x-1 = 81
32x-1 = 32
2x - 1 = 4 (equating the indices)
2x = 5
5/2
x =

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