Question

Solve for x. *

40
15
50
10

Answer 1

`\huge \bf༆ Answer ༄`

The Angles marked there forms linear pair, and therefore they add up to be equal to 180°

That is ~

• 
  `\sf2x + 30 + x = 180`

• 
  `\sf3x + 30 = 180`

• 
  `\sf3x = 180 - 30`

• 
  `\sf x = 150 / 3`

• 
  `\sf x = 50 \degree`

Therefore, value of x is 50°