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05-02-2017
Mathematics

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If 9 is added to twice a number and this sum is multiplied by 6, the result is the same as if the number is multiplied by 5 and 12 is added to the product. what is the number?

Respuesta :

05-02-2017

Let's represent that number as X:
6(9+2X) = 5X + 12
54 + 12X = 5X + 12
7X = -42
X = -6

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