Respuesta :

Answer:

x = 20.

Step-by-step explanation:

For  A tp be parallel to B the angles 5x + 8 and 3x + 11 must add up to 180 degrees.

5x + 9 + 3x + 11 = 180

8x = 180 - 20 = 160

x = 160/8

x = 20.

Otras preguntas