# Math Help - Integration Confusion

1. ## Integration Confusion

Problem solved.

2. I don't follow your work, but using the integrating method goes like this.

$\frac{dM}{dt}=-kM$

$\frac{1}{M}dM=-kdt$

$\ln|M|=-kt+C$

$M=Ce^{-kt}$

3. Thanks Jameson, I think I get that.