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

Mathematics
JAMB 2007
Find the value of x for which 2(32x-1) = 162
  • A. 5/2
  • B. 3/2
  • C. 2/5
  • D. 1/2
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Correct Answer: Option A
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 =

There is an explanation video available below.

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