I'm stuck on this question. I added my attempt to solve it. Can someone explain to me what I am doing wrong?

The 2 A current gives -2.848 V and the 5 A current gives 7.121 V. With the AC voltage source I am clueless.

[![enter image description here](https://i.stack.imgur.com/ZLGYm.png)](https://i.stack.imgur.com/ZLGYm.png)