linear ode

[spiral glen]

I don't think the solution is correct. If you do a sanity check, and plug in the numbers, they shouldn't be equal (if it's saying the solution is x(t) = 0.01 + 0.05 * (1 - e^(-0.12 * t), then plug that into x'(t) = 0.006 - 0.12 * x(t))