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OLEGan [10]
3 years ago
10

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
Mathematics
1 answer:
jeyben [28]3 years ago
6 0
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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