Question 123289
Let the number be "x" 

And twice the number be "2x" 


According to the information given, it says 


12 - 2x = 7 + x 


12 - 7 = 3x


5 = 3x 


x = 5/3 


Therefore, 2x = 10/3 


thus, the solution is:


x = 5/3 and 10/3 


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