Twice the difference of a number and 6 equals 5
Mathematically, it can be written as [tex]\rm 2(x-6)=5[/tex] where, x is that number.
On solving we get,
[tex]\rm 2(x-6)=5\\(x-6)= \dfrac{5}{2}\\\\\x=\dfrac{5}{2}+6\\\x=\dfrac{17}{2}[/tex]
Therefore, the number will be [tex]\rm x=\dfrac{17}{2}[/tex]