Respuesta :

Answer:

-6

(I don’t understand what you mean by on & 5 but..)

Step-by-step explanation:

The two negatives (the -(- ) cancel each other out and make a postive, so

-18 + 12 = -6

Answer:

-6

Step-by-step explanation:

-18 - (-12)=-18+12

-18+12=-6