It doesn't ! -7 plus -5 equals -12 ! -7 plus 5 equals -2
2+5=7 5+2=7 2+5=5+2
7+2+5= 14 35 42
5
96
-5 + 7 = 2
89
If I am correct, 9 plus 7 equals 112.
2+3 = 5 * 2 = 10. 7+2 = 9 * 7 = 63.6+5 = 11 * 6 = 66.x+y = z * x = n.9+7 = 16 * 9 = 144
144
5+2=7
5a+5=6a-7