SOLUTION: List the conditions when the sum of a positive number and several negative numbers will be positive

You can put this solution on YOUR website!
Sum means addition, if we think of the total set of number in consideration( both positive and negative), as separated into two sets, one positive and one negative, then for the total sum to be positive, the positive set must by larger than the negative set.
.
In short ,,,,{sum of + #'s} > { sum of - #'s}
.