Respuesta :

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[tex]x + 7 > 11 \\ x > 11 - 7 \\ x > 4[/tex]
[tex]11 + 7 > x \\ 18 > x \\ x < 18[/tex]
[tex]4 < x < 18[/tex]
Cetacea

The possible values of x are:  x < 18.

Triangle inequality says: The sum of two sides of a triangle is more than the third side of the triangle.

It means 7 + 11 > x

Or, 18 > x.

Or, x < 18.

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