They used exponent rules and flipping a subtraction.Solve for x: ux^a = x
The answer they give is:
Step 1: ux^a = x
Step 2: x^(a-1) = (1/u)
Step 3: x = (1/u)^((1/(a-1))
I understand until that part. The next step, I don't understand.
Step 4: x = u^(1/(1-a))
How do you get from Step 3 to Step 4?