 So we just sub everything into our Lorentz transformation and what we find is delta Tb is gamma delta Ta plus v over c squared delta xa, so if we expand this we have two terms. So the first is our usual time dilation term for if the two events happened at the same location in Alice's frame. But we also have an extra term here, which we might recognize from the relativity of simultaneity. So now the two events in Alice's frame are not just separated in time, they're also separated in space. And as we've seen before, a separation in space in Alice's frame will correspond to another separation in time in Bob's frame. So now the time difference Bob measures is made up from both of these contributions.