[tex]\huge \bf༆ Answer ༄[/tex]
The Angles marked there forms linear pair, and therefore they add up to be equal to 180°
That is ~
- [tex] \sf2x + 30 + x = 180[/tex]
- [tex] \sf3x + 30 = 180[/tex]
- [tex] \sf3x = 180 - 30[/tex]
- [tex] \sf x = 150 \div 3[/tex]
- [tex] \sf x = 50 \degree[/tex]
Therefore, value of x is 50°
