Question

9ˣ+³ = 27ˣ-¹.find the value of x​

Answer 1

Answer:

3^(2(x+3))=3^(3(x-1))

from this we can write,

2(x+3)=3(x-1)

2x+6=3x-3

3x-2x=6+3

so, x=9