Answer:
2x-0=x+2
2x=x+2
2x-x=2
x=2
4y-8=y+10
4y-y=10+8
3y=18
y=6
AB=2×2+0=4 (DC is 4 too)
AD=4×6-8=24-8=16 (BC is 16 too)
