Respuesta :

Answer:

x = 20

Step-by-step explanation:

4x + 20 and 2x + 60 are corresponding angles and are congruent, so

4x + 20 = 2x + 60 ( subtract 2x from both sides )

2x + 20 = 60 ( subtract 20 from both sides )

2x = 40 ( divide both sides by 2 )

x = 20