ami7kak6aElnfers ami7kak6aElnfers
  • 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 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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