The additive property.
Equality
20 = 400
If I am correct, 9 plus 7 equals 112.
0.66666666666667 x 9 = 6
No! It equals 15, but 9-6=3.
Use BODMAS/BIDMAS/PEDMAS: 9 + 6(22 + 4) = 9 + 6(26) = 9 + 6 × 26 = 9 + 156 = 165
C. 6
Commutativity.
-9
The additive property.
9
-9 + 6 = -3.
27
96
6+9+7-5=17 that is the answer
-9