Respuesta :

Answer:

-15

Step-by-step explanation:

-12-3=x

-15=x

x=-15

Answer:

X = -15

Step-by-step explanation:

-12 = x + 3

- 3        - 3

-----

-15 = x

I hate to ask, but please give me Brainliest. I need it to level up <3.