Question

If B is between A and C find the value of BC.
AB = 3, BC = 5x - 1, AC = 12

Answer 1

9

Answer 2

ty

Answer 3

if B between A & C (assume on the same line), then:
3+(5x-1)=12
5x=10
x=2

Answer 4

since x=2, so, BC=5*2-1=9