Respuesta :

[ Answer ]

[tex]\boxed{6}[/tex]

[ Explanation ]

X = 15

X - 9

Substitute 15 For X

15 - 9

= 6

[tex]\boxed{[ \ Eclipsed \ ]}[/tex]

danielleismathly
The answer is 6 because if x=15 den you would subtract 15 from nine and end up with 6