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25-01-2017
Mathematics

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Five times the sum of a number and fifteen is fifty

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Apocrophon Apocrophon

25-01-2017

Put into an equation, this is:
[tex] 5 * (x + 15) = 50\\
5x + 75 = 50\\
5x = -25\\
x = -5 [/tex]
Thus, the unknown number is -5.

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