Question

The sum of two consecutive numbers is 21 find the smaller number

Answer 1

Answer:

let one no. be x

other no. will be x+1

x+x+1= 21

2x = 20

x= 10

Answer 2

Answer:

smallest no° is 10

Step-by-step explanation:

x+(x+1)=21

2x+1=21

2x=21-1

x=20/2

x=10