Respuesta :

altavistard

Answer:

-4

Step-by-step explanation:

The order in which you do this addition and subtraction doesn't matter.

Step by step:

12 – 10 + 5 - 11       becomes 2 + 5 - 11, and

2 + 5 - 11 becomes 7 - 11, and

7 - 11 becomes -4