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diamong [38]
3 years ago
6

The sum of 3 consecutive odd numbers is 51. What is the second number in this sequence?

Mathematics
1 answer:
Feliz [49]3 years ago
4 0
2n+1+2n+3+2n+5=51\\
6n+9=51\\
6n=42\\
n=7\\\\
2n+3=2\cdot7+3=17
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