Question 235528
For which integers a, b, c does a -b –c= a-(b – c)?
:
I think  a or b can be any value, however, c = 0
:
a - b - c = a -(b - c)
Subtract a from both sides
-b - c = -(b - c)
Remove brackets
-b - c = -b + c
In order for this to be true c = 0, right?