Respuesta :

igoroleshko156

Answer:

x = 6

Step-by-step explanation:

All triangles add up to 180 degrees

46 + 12x - 5 + 67 = 180

46 + 12x - 5 + 67 - 67 - 46 + 5 = 180 - 67 - 46 + 5

12x / 12 = 72 / 12

x = 6

Answer:  x = 6

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