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05-04-2017
Mathematics

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The product of a number and -7 gives seven times the sum of that number and -40. Find the number

Respuesta :

05-04-2017

Let the unknown number be x.

x × -7 = 7 (x + -40)

-7x = 7x - 280

-14x = -280

x = 280/14

x = 20

Hope this helps!

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