9 plus 87 equals 96.
5 + 87 = 92
it equals 406
it is 864
87
34 + 98 + 98 + 87 + 32 = 349
-1942567
x=27
18 + 70 ie 87
Assuming that there is a "plus" after the second 58, the answer is - the associative property of addition.
cooking a turkey?
7 + 8g = 878g = 80g = 10