Parallelogram A B C D is shown. Sides A B and D C are parallel, and sides A D and B C are parallel. The length of A B is 4 y minus 3, the length of B C is 42, the length of D C is 37, and the length of A D is 3 x minus 9.
Use parallelogram ABCD. What are the values of x and y?
x =
y =
