Answer:
x = 2
y = 24
Step-by-step explanation:
The diagonals in the parallelogram bisect each other. That is why RQ and TQ are the same size and SQ and VQ are the same size:
5x + 10 = 20 | -10
5x = 10 | :5
x = 2
3x + y = 30
3*2 + y = 30
6 + y = 30 | -6
y = 24
