And of course, whatever you get for y, oh sorry, whatever you get for m, you can then just substitute back in this, back over here to get your b. Your b is going to be equal to the mean of the y's minus your m, whatever m value you got over here. Let me write that in yellow so it's very clear. You solved for the m value here. Minus m times the mean of the x's. And this is all you need. So let's actually put that into practice.