Question

a/b whole power x-1 = b/a whole power 2x-8. find the value of x

Answer 1

(a/b)^(x-1) = (b/a)^(2x-8)
(a/b)^(x-1) = (a/b)^(8-2x)
x-1 = 8-2x
3x = 9
x = 3