It is: -15+71 = 56
Wiki User
∙ 2015-08-26 10:29:3271 plus 23 plus 49 is equal to 143.
71 + 15 = 86
56 + 15 = 71
71
The answer is 20. In each addition, the individual digits are added together (1+2+3+5+4 = 15)
71
25 plus 52 plus 15 is equal to 92.
37
If 52 + y = 71 = then y MUST equal 19 !
-17.
Its 91
positive 10