Respuesta :

Answer:

-13

Step-by-step explanation:

10 - 7 = 3

  3 - 4 = -1

     -1 - 15 = -16

        -16 + 3 = -13

Answer:

-13

Step-by-step explanation:

10 - 7 =3

3 + -4 = -1

-1 - 15 = -16

-16 + 3 = -13