Respuesta :

fnej

Answer:

x = 109

Step-by-step explanation:

75 + 45 + y = 180

120 + y = 180

y = 60

60 + 79 + z = 180

z + 139 = 180

z = 41

41 + 68 + a = 180

109 + a = 180

a = 71

x + a = 180

x + 71 = 180

x = 109

The answer for this question is x=109