Question 90998
Let one integer = x.
So other integer = (x+1).
Their sum: 
x + (x+1) = 143
or 2x + 1 = 143
or 2x = 143 - 1 = 142
or x = 142/2 = 71

So the nos. are 71 and (71 + 1 =) 72.