Answer:
[tex]x=\frac{y+9}{1+2w}[/tex]
Step-by-step explanation:
[tex]x-9+2wx=y[/tex]
Add 9 to each side of the equation
[tex]x+2wx=y+9[/tex]
Take out the common factor
[tex]x(1+2w)=y+9[/tex]
And divide by (1+2w) at each side of the equation
[tex]x=\frac{y+9}{1+2w}[/tex]