Question

the sum of three consecutive odd numbers 21 Find the numbers​

Answer 1

Let the first odd number be x.

Then, the next consecutive odd numbers will be (x + 2) and (x + 4).

According to the question:

x + (x + 2) + (x + 4) = 21

or, 3x + 6 = 21

or, 3x + 6 6 = 21 6 [Subtracting 6 from both the sides]

or, 3x = 15

or, [Dividing both the sides by 3]

or, x = 5

∴ Required numbers are:

x = 5

x + 2 = 5 + 2 = 7

x + 4 = 5 + 4 = 9