Answer:
The length of AC is [tex]4x-12[/tex]
Step-by-step explanation:
Length of AB =[tex]x-4[/tex]
Length of CB = [tex]3x-8[/tex]
We are supposed to find the length of AC
So, length of AC = AB +CB
[tex]AB = x-4[/tex]
[tex]BC = 3x-8[/tex]
Length of AC = [tex]x-4+3x-8[/tex]
Length of AC = [tex]4x-12[/tex]
So, AC=[tex]4x-12[/tex]
Hence The length of AC is [tex]4x-12[/tex]