Tolong bantuannya ya kak​

Jawaban:

³√(9^2x – 1) = 27^x + 2

(3^2)^2x – 1/3 = (3^3)^x + 2

3^4x – 2/3 = 3^3x + 6

4x – 2/3 = 3x + 6

4x – 2 = 9x + 18

-5x = 20

x = -4