Question

the sum of three consecutive positive integer is 39. find these integer

Answer 1

Let the three positive integers be x,x+1 and x+2

According to the question,
x + x+1 + x+2 = 39
3x + 3 =39
3x= 36
x = 12
Now we have found the value of x

So, the three numbers are---
X = 12
X+1 = 12 + 1 = 13
X+2 = 12+2 = 14

So, the three consecutive nos whose sum is 39 are - 12,13 and 14
This is ur answer!!!


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Answer 2

Let three consecutive numbers be-
X - 1 , X , X + 1
So it's sum is 39
On adding them as shown
3X = 39
X = 13
Number are -
X - 1 = 13 - 1 = 12
X = 13
X + 1 = 13 + 1 = 14

To check our answers-
12 + 13 + 14 should be 39
Hence 39 = 39
Proved that our answers is correct