Answer:
Many of these are just the same equation in different orders.
42 + 6 = 48
6 + 42 = 48
48 = 6 + 42
48 = 42 + 6
42 = 48 - 6
48 - 6 = 42
6 = 48 - 42
48 - 42 = 6
6
Step-by-step explanation: