Viewer Questions: 3x4x5 Dilemmas

Here are two dilemmas posed by viewers regarding the 3x4x5. One is a configuration I've never run into before. I'm still not sure how you get into it, but here's how to get out of it. Bear in mind my color scheme is different from the mass produced version, but this one is a tricky one! The other is a somewhat difficult final configuration to navigate through. Hope it helps!