Question

Please help me if you can!

Find the value of x

Answer 1

9514 1404 393

Answer:

x = 7

Explanation:

The angle bisector divides the sides proportionally.

(3x -12)/6 = 21/14

3x -12 = 9 . . . . . . . multiply by 6 and simplify

x -4 = 3 . . . . . . . . divide by 3

x = 7 . . . . . . . . . . . add 4