Respuesta :

Answer:

u = 12.44

Step-by-step explanation:

u = 8.6 + 3.84

u = 12.44

Answer:

[tex]\displaystyle 12,44 = u[/tex]

Step-by-step explanation:

8,6 = −3, 84 + u

+ 3,84 + 3,84

______________

[tex]\displaystyle 12,44 = u[/tex]

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