Question

please solve this!!​

Answer 1

hey mate

given here

(7/9)^-4 × (7/9)^3x. = (9/7)^-5

so,

(7/9)^(3x-4)= (7/9)^5

so,

3x-4= 5

3x = 9

x = 3

i hopes its helps u

@Abhi.❤❤

important formula

(1)(a/b)^-n= (b/a)^n

(2)a^m × a^n= a^(m+n)