Solution:
1. Given expression:
(-6) - (-4) - (-3)
2. Apply the rule of double negatives:
(-6) + 4 + 3
3. Combine the numbers by performing addition:
- First, add -6 and 4:
-6 + 4 = -2
- Then, add -2 and 3:
-2 + 3 = 1
- Hence, the simplified expression is:
1