Baker sold w cakes. If he had made x cakes initially How many more cakes did baker make than those he sold?
First, we need to find out how many cakes the baker sold. We know that he sold w cakes. 

Next, we need to find out how many cakes the baker made. We know that he made x cakes. 

Now, we need to compare the two values. The baker sold w cakes and he made x cakes. 

We need to find out how many more cakes the baker made than those he sold. 

This is equal to x - w.