Answer:
-13:)
Step-by-step explanation:
Remove parentheses.
- 5 - (-7) - 7 - 8
Multiply -1 by -7
-5+ 7 - 7 -8
Add -5 and 7
2 - 7 - 8
Subtract 7 from 2
-5 - 8
Subtract 8 from -5
-13 :)