Question

plz tell que. no. 9 with proper method and write full answer.

Answer 1

(5/3) ^ -4-5 = (5/3) ^3x

(5/3) ^ -9 = (5/3) ^ 3x

3x= -9
x= -3

Answer 2

(5/3)^-4+(-5) = (5/3)^3x

-4+(-5) =3x
-9 = 3x
x = -9/3
x = -3