Respuesta :

Answer:

10*0.3+9-0.3=12

Exact form

1/3

Decimal form

0.3

Hope this helps! :)

Answer:

[tex]$\boxed{x=\frac{1}{3} }$[/tex]

Step-by-step explanation:

[tex]10x +9-x=12[/tex]

[tex]9x +9=12[/tex]

[tex]9x +9-9=12-9[/tex]

[tex]9x =3[/tex]

[tex]$x=\frac{3}{9} $[/tex]

[tex]$\boxed{x=\frac{1}{3} }$[/tex]