Find the value of x.
6
14
8
0
21
x = [ ? ]
3x-12
![Find the value of x 6 14 8 0 21 x 3x12 class=](https://us-static.z-dn.net/files/d0f/d400ac0953f11f4d94aafd293b8875e2.png)
Answer: 7
Step-by-step explanation:
By the angle bisector theorem,
[tex]\frac{21}{14}=\frac{3x-12}{6}\\21(6)=14(3x-12)\\126=14(3x-12)\\9=3x-12\\21=3x\\x=\boxed{7}[/tex]