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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

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
asked 72.9k views
5 votes
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

asked
User Humbagumba
by
7.8k points

1 Answer

3 votes
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
answered
User Mostafa M
by
8.0k points
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