PLEASE HELP!

Find the value of each variable in each parallelogram.
5. A, x+6, D, 10, 11
B, y-7, C

7. F, G, 2y°, (x-5)°, D
(2x+11)°, H

6. T, 3b+5, V
a+15, 3a+11, S,
b+11, W

8. 3y-5, J, 2z+7
K, y+5, L, z+9, M