90
N=19.
n=10
10+n=17 is equal to 10+7=17 n=7
n=0.027
5
n = 10
n=13
-6 = n/2 - 10 4 = n/2 2 = n
m = 24
10
There are infinitely many possible answers. Take any number N. Find M = N + 10 Then N - M will always be -10 For example, N = 3.75 then M = 3.75 + 10 = 13.75 and N - M = 3.75 - 13.75 = -10