Question

- 12 + +15 + +12 + -6 + -15 + -4 = n

Answer 1

-10

Explanation:

Step 1:

- 12 + 15 + 12 - 6 - 15 - 4 = n

Step 2:

- 6 - 4 = n

Answer:

-10 = n

Hope This Helps :)