07-09-2017
Mathematics

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If a number is increased by 6 and the result is divided by 2, the number 5 is obtained. Find the original number?

Respuesta :

07-09-2017

Call the original number x for now... x is increased by 6 so you have (x + 6)..
this is halved the get you 1/2x + 3 = 5. You subtract 3 from both sides and get 1/2 x = 2. Then multiply both sides by 2 and you get x = 4.

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