Help ASAP! 25 Points! What theorem allows you to prove line f is parallel to line g? For what value of x is line f parallel to line g?

PLEASE FIND X FOR ME TOO :) Thank you if you help!

Help ASAP 25 Points What theorem allows you to prove line f is parallel to line g For what value of x is line f parallel to line gPLEASE FIND X FOR ME TOO Thank class=