-28 + (-19) = -47
19 + 19 + 4 + 4 = 46
-19 + 37 = 18.
-4 + -5 + -2 + -1 = -12 (negative 12).
-3 + -7 + 5 + -4 + -6 = -15
-11
-28 + (-19) = -47
19 + 19 + 4 + 4 = 46
Negative 4 minus positive 15 = negative 19
-19 + 37 = 18.
-4 + -5 + -2 + -1 = -12 (negative 12).
-3 + -7 + 5 + -4 + -6 = -15
19+-26 = 19 - 26 = -7
-8
- 4 + (- 4) = - 8
-4 - 19 = -23
The total sum is -12 or negative twelve.