Question

What is positive [15]+ negative [-1]=

Answer 1

Positive 15 and negative -1 have a sum of 14.

Therefore, positive 15 plus negative -1 is equal to 14.

Answer 2

Apply rule (a)= a
(15)=15

Apply rule a+(-b)=a-b
15+(-1)=15-1

Subtract

15-1

Solution

14