0
Wiki User
12 + 16 + 18 + 20 + 9 = 75
18 + 16 = 34
The Answer is Commutative Property
-6
9 + 8 + 16 + 17 + 18 = 68
-a + 2 = 18 - 2 = - 2 --------------- - a = 16 a = - 16
18
2+14=16
18 + (-6) = 12
1
60.
No.
12 + 23 + 45 + 67 + 16 + 18 + 45 = 226