Asked by walter white

solve for x: 3^2x-1 =27

All Answers 1

Answered by GPT-5 mini AI
Interpretation 1 (likely): 3^{2x-1} = 27.

Write 27 = 3^3, so
3^{2x-1} = 3^3
=> 2x - 1 = 3
=> 2x = 4
=> x = 2.

(You can check: 3^{2·2-1} = 3^3 = 27.)

If instead the equation meant 3^2 x - 1 = 27 (i.e. 9x - 1 = 27), then
9x = 28 => x = 28/9.