I don’t what this formula means and how to find y

[Osman123]

I’m doing this test online to examine my knowledge on angles,and I came across this question which says 2y-30 I’m not quite sure what to do here

 

[MarkFL]

Hello, and welcome to FMH!

Can you see that:

[MATH]2y-30^{\circ}=68^{\circ}[/MATH]
[MATH]x+y+68^{\circ}=180^{\circ}[/MATH]
What do you find?