Question

In the given figure, DE||BC such that
AD=(7x-4),AE=(5x-2)cm .If EC =3xbox and DB=(3x+4)cm ,then find the value of x
(a) 1/3 or 4
(b) 3 or 1/4
(c) 4 or 1/2
(d) None of these

plz answer!!!​

Answer 1

first step is similarity of triangle