Now, algebraically, we see that on both sides we have a negative. And so we multiply both sides by negative one to cancel that negative. And we also see on both sides we have the lock function. So, if we raise both of these to the power of ten, or actually if we do this, we see that the log will basically cancel out. And so, all we get is this concentration of the hydrogen ion is equal to the ratio of these two guys. And so, we see that the negatives cancel and the logs cancel and we're simply left with this relationship.