The given expression is-
[tex]3x+2-x=11x+9[/tex]First, we place all terms with variables on the left, and all terms without variables on the right
[tex]3x-11x-x=9-2\rightarrow-9x=7[/tex]Then, we divide the equation by -9
[tex]\frac{-9x}{-9}=\frac{7}{-9}\rightarrow x=\frac{7}{-9}[/tex]