Respuesta :

naǫ
x - the number

The expression:
[tex]x-11=\frac{1}{2}x+3[/tex]

Solution:
[tex]x-11=\frac{1}{2}x+3 \\ x-\frac{1}{2}x=3+11 \\ \frac{1}{2}x=14 \\ x=14 \times 2 \\ x=28[/tex]

The number is 28.