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El numero = x
x + 5
------- - 4 = - 6
7
x + 5
------- = - 6 + 4
7
x + 5
------- = - 2
7
x + 5 = (- 2)(7)
x + 5 = - 14
x = - 14 - 5
x = - 19
Respuesta.
El numero es el - 19