Respuesta :

Answer:

x=8

Step-by-step explanation:

CBA=DAB=42(Alternate angle)

x+CAB+DAB=180(Straight line)

x+130+42=180

x=180-42-130

x=8

Answer:

x=35

Step-by-step explanation:

x+42+103=180

x+145=180

-145      -145

x=35