I think it is 32, bc the value of x is 20 so your problem would look like this; 2 ( (20) - 4 )
Since A and B are parallel lines, the two marked angles are congruent.
Then, 2x + 12 = x + 25
We can solve for x:
x = 13
I’m pretty sure it’s y if not I’m sorry
It is in standard form: y=mx+b