Question

the sum of three consecutive numbers is 81,find the numbers
note: i need itwith explanation​

Answer 1

Answer:

Let the numbers be x−1,x,x+1

The sum of them is  

x−1+x+x+1=81

3x=81

x=27

so numbers are 26,27and 28

Step-by-step explanation:

Answer 2

Answer:

Let the numbers be x, x+1 and x+2

(x)+(x+1)+(x+2)=81

x+x+x+1+2=81

3x+3=81

3x=81-3

3x=78

x=78/3=26

So the numbers are,

x=26

x+1=27

x+2=28

Check: 26+27+28=81