Question

1
C-5)+ (-8) = (-8) +
2
- 53+
-53
3
17+
=0
4 e [ 13 + C-12)+c
-) = 13=[(-12)+(-7)
5 C-4) + C-15 +(-3)] = [-4715 3 +​

Answer 1

Answer:

why is there a c again I don't understand every question I see in there is a c but why can anyone tell plz