Question

The sum of two consecutive natural numbers is 69. Find the numbers

Answer 1

Let one natural number be x.
The next natural number is x + 1
x + (x + 1) = 69
$\therefore$ x + x + 1 = 69
$\therefore$ 2x + 1 = 69
$\therefore$ 2x = 69 - 1
$\therefore$ 2x = 68
$\therefore$ x = 34
1st natural number = 34
2nd natural number = 34 + 1 = 35