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19-12-2016
Mathematics

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The sum of twice a number and 5 is at most 15

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texaschic101 texaschic101

19-12-2016

2n + 5 < = 15 (thats less then or equal)
2n < = 15 - 5
2n < = 10
n < = 10/2
n < = 5

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