Find the value of x for which 2(32x-1) = 162
-
5/2
- 3/2
- 2/5
- 1/2
The correct answer is: A
Explanation
2(32x-1) = 16232x-1 = 162/2
32x-1 = 81
32x-1 = 32
2x - 1 = 4 (equating the indices)
2x = 5
5/2
x =