Respuesta :

x > 19

Explanation:

Let the number = x

The sum of a number and -4 = x + (-4)

The sum of a number and -4 is greater than 15:

x + (-4) > 15

Multiplication of opposite signs gives negative number:

x - 4 > 15

Collect like terms:

x > 15 + 4

x > 19

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