# Math Help - Finding the angle x

1. ## Finding the angle x

Hello everyone! I have a problem here:

The question is simple-I have to find the value of x.

So here are my workings:

If you noticed any mistakes, then please inform me. Help is greatly appreciated.

2. It's fine

3. The answer as stated in the book is 141°. Do you think that it's wrong?

4. To me yes, it seems like the book is wrong. $x$ should be $147^{\circ}$