Respuesta :

I got 42.5 cuz 4x+10=180 then take away 10 from both sides so 4x=170 and you divide each side by 4
Supplementary; they equal 180 degrees when added.

Also, 4x + 10 + x =180
Combine like terms; 5x + 10 = 180

Here, x=34

34 degrees is the answer!