Respuesta :

TheAnimeGirl

Answer:

  • Set up an equation & solve for X :

[tex] \large{ \tt{AC = AB + AC}}[/tex]

[tex] \longrightarrow \large \tt \: 20 = x + 3x[/tex]

[tex] \longrightarrow \large \tt \: 20 = 4x[/tex]

[tex] \longrightarrow \large \tt \: \frac{20}{4} = x[/tex]

[tex] \longrightarrow \large \boxed{\tt \: x = 5}[/tex]

  • The Value of x is 5 .

Hope this helps! :)