Question

16^x-1=32

Answer 1

solve for x. \[16^{x-1}=32\]

Answer 2

use laws of logarithm...

Answer 3

hint: \(\bf 16\to 2\cdot 2\cdot 2\cdot 2\to 2^4
\\ \quad \\
32\to 2\cdot 2\cdot 2\cdot 2\cdot 2\to 2^5\)

Answer 4

applying log on both side, then use log n^x = x log n...