Find the value of x in the equation, 3^2x-1 = 81

Question

asked Feb 4, 2024 152k views

1 Answer

Zverok · Answer 1 · 2024-02-10T05:50:13+0000

Explanation:

3^(2x-1) = 81 LOG both sides I had to assume there were parens.

(2x-1) LOG 3 = LOG 81

2x-1 = LOG(81) / (LOG 3) = 4

2x = 5

x = 2.5