WILL GIVE BRAINLIEST ANSWER TO WHOEVER ANSWERS FIRST AND CORRECT PLS EXPLAIN WHY YOU ARE CORRECT

Answer:
A
Step-by-step explanation:
The mid-segment of a trapezoid is parallel to each base.
The length of the mid-segment of a trapezoid is equal to half the sum of the lengths of its bases.
Bases are DG and EF
12 = (5x-4+8x+2)/2
24 = 13x-2
26 = 13x
x = 2