Respuesta :
Answer:
[tex]the \: absolute \: value \: of \: 9 \: and \: -9 \: is \: \to \boxed{9}[/tex]
Step-by-step explanation:
[tex]the \: absolute \: value \: of \: x = |x| \\ hence \\ |9| = ( + 1) \times 9 = \boxed{9} \\ | - 9| = ( + 1) \times 9 = \boxed{9}[/tex]