Struggling to find "t" in repayment formula

A= P*r (1+r)^t / (1+r)^t - 1
How do I solve for "t"

Solve for (1+r)^t first.

As written you have:



A = P r \frac {(1+r)^t} {(1+r)^t }- 1


Clearly the (1+r)^t terms cancel. Is that really what you meant?