The other person didn’t give x and y so I will: 5x + 2 = 12. This is because if we rotate the quadrilateral those two are equivalent. Minus 2 from both sides 5x = 10 Divide by 5 X=2
5y+6 = 111 Minus 6 from both sides 5y = 105 Divide by 5 from both sides Y=21