Find all values of t such that 6^(3t - 1) = 36^t.

What is 36^t? That is just \((6^2)^t = 6^{2t}\)

So the equation is equivalent to this one: \(6^{3t - 1} = 6^{2t}\)

Comparing the exponents gives a linear equation. I believe you can continue from there.