donnettegreavep5icau donnettegreavep5icau

13-03-2018
Mathematics

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when seven is added to a certain number the result is the same as subtracting twice the number from sixteen what is the number .Show working

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NiharSaketh NiharSaketh

13-03-2018

The meaning of the question is

Let the unknown number be x

Therefore x+7=16-2x
Now 2x+x=16-7
3x=9
X=9/3
x=3

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