Question

the sum of two consecutive intergers is 21 find the intergers

Answer 1

Answer:

x+x+1+x+2=21

3x+3=21

3x=21-3

3x=18

x=6

6+1=7

6+2=8

Answer 2

Answer:

first integer=x

second integer=x+1

sum of the to integers=x+x+1=23

=2x+1=23

=2x=23-1

=2x=22

x=

$\frac{22}{2}$

x=11