Respuesta :

To make ABCD a parallelogram, the opposite sides must be congruent, which imply:
1. 3x-3=2x+4 => 3x-2x=4+3 => x=7
2. 3y-2=2y+10 => 3y-2y=10+2 => y=12
Answer: x=7 and y=12 will make ABCD a parallelogram.