SOLUTION: find three consecutive odd integers such that the sum of the first and third is 42

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Question 528636: find three consecutive odd integers such that the sum of the first and third is 42
Answer by Maths68(1474) About Me  (Show Source):
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Let
1st Odd integer = x+1
2nd Odd integer = x+3
3rd Odd integer = x+5

sum of 1st and 3rd is 42
x+1+x+5=42
2x+6=42
2x=42-6
2x=36
x=36/2
x=18

1st Odd integer = x+1 = 18+1 = 19
2nd Odd integer = x+3 = 18+3 = 21
3rd Odd integer = x+5 = 18+5 = 23
Check
=====
19+23=42
42=42