B is the midpoint of.
AB=5x+2
AC=12x-2
What is the value of BC?
If AB=1/2 AC then
2(5x+2)=12x-2
which solves quickly for x. Then BC=AB=5x+2
AB=5x+2
AC=12x-2
What is the value of BC?
2(5x+2)=12x-2
which solves quickly for x. Then BC=AB=5x+2