What is the value of x?

https://snag.gy/BuTNKp.jpg

I keep on getting 140/9 is this right?

These are vertical angles....so....they are equal....thus

3x + 50 = 6x - 10 add 10 to both sides, subtract 3x from both sides

60 = 3x divide both sides by 3

20 = x

NO U