Respuesta :

Answer:

y=36degrees

Step-by-step explanation:

74+2y+34=180

2y+108=180

2y+108-108=180-108

2y=72

72/2

y=36degrees

irspow

Answer:

Step-by-step explanation:

Because these are supplementary angles they must have a sum of 180 degrees.

74+2y+34=180

2y+108=180

2y=72

y=36 degrees