Question

what is the sum of two consecutive integers is 43?

Answer 1

consecutive integers are 1 apart

so they are n and n+1

the sum is adding them
the sum is 43
n+n+1=43
2n+1=43
minus 1 both sides
2n=42
divide both sides by 2
n=21
n+1=22

the integers are 21 and 22