Question

the sum of two consecutive numbers is 21 which is the smaller number​

Answer 1

x+x+1=21

2x+1=21

2x=21-1

2x=20

x=20/2

x=10

x+1=10+1=11

the two numbers are 10,11

the smaller is 10

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Answer 2

10 and 11
The smaller is 10