Question

20 POINTS IF YOU HELP ME!!!!!!!!!
Solve for EF in trapezoid ABCD
5x - 4
4x
6x - 2

Answer 1

so hmm check the picture below

$\bf 4x=\cfrac{(6x-2)+(5x-4)}{2}\implies 8x=6x-2+5x-4 \\\\\\ 8x-6x-5x=-2-4\implies -3x=-6\implies x=\cfrac{-6}{-3}\implies \boxed{x=2}$