ho0lly3loryourise ho0lly3loryourise

24-11-2016
Mathematics

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A number subtracted from 90 is three times that number

Respuesta :

24-11-2016

90-n=3n
90=4n
22.5=n

Final answer 22.5

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syed514 syed514

26-11-2016

90 - x = 3xnow you need to solve for x
By combining the x-terms, we get 90 = 4x. Dividing both sides of the equation by 4, we get x = 2.25, or 9/4.

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