The sum of two integers is 69 and their difference is 1. Find the integers.

Answer 1

Let x and y be the integers then x + y = 69. and x -y = 1

x = 1 + y , substitute x into x + y = 69 , then ( 1+y) + y = 69, and 1 + 2y = 69 , 2y = 69-1 = 68, y = 34 and

x = 1+ 34 = 35