Question

B is between A and C. AB = 2x, BC = 3x -1, AC = 14. Find AB and BC.

A.) AB= 3, BC= 11
B.) AB= 6, BC= 8
C.) AB= 2, BC= 2
D.) AB= 6, BC = 9​

Answer 1

Step-by-step explanation:

AB+BC=AC

$2x + (3x - 1) = 14 \\ 5x - 1 = 14 \\ 5x = 15 \\ x = 3$

so

AB=2X=2*3=6

BC=3x-1=9-1=8