Question

find x if 9²x +9–⁵=9¹³​

Answer 1

9^2(x)+9^5=9^13

=>9^2(x)=9^13-9^5

=>9^2(x)=9^5(9^8-1)

=>x=9^5(9^8-1)/9^2

=9^3(9^8-1)

=9^11-9^3

I hope my ans helps