-8 - x = x - 4x
how does x equal to 4 and how do u do this

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

Find the distance between the point (-3,-4), and (see the picture below)

Bc and bd are opposite rays. all of the following are true except a)a,b,c,d are collinear b)a,b,c,d are coplanar c)bc=bd d)b is between c and d