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26-11-2018
Mathematics

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the sum of twice a number and five is at most -25

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wegnerkolmp2741o wegnerkolmp2741o

26-11-2018

n= number

2n+5 <= -25

subtract 5 from each side

2n+5-5 <= -25 -5

2n <= -30

divide each side by 2

n <= -15

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