If (9/7)^3�(49/81)^2x-6=(7/9)^9the value if x is

Given

(9/7)3^(49/81) ^2x-6=(7/9)9

We know that reciprocal of 9/73is(7/9)^-3

(49/81)^2x-6= ((7/9)2)2x-6

All the bases are same, hence equating the powers we get,

-3+4x-12=9

4x=9+15

4x=24

x=6