Find the value of x for which 2(32x-1) = 162
A
5/2
B
3/2
C
2/5
D
1/2
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
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 =
Source: Myschool Past Questions Archive (Record #9238)