Applying the properties of a parallelogram, the values of x and y are: x = 8; y = 20.9
4x - 17 = 2x - 1 (equal sides)
4x - 2x = 17 - 1
2x = 16
x = 8
(3y+5) + (6y -13) = 180
9y - 8 = 180
9y = 180 + 8
9y = 188
y = 20.9
Therefore, applying the properties of a parallelogram, the values of x and y are: x = 8; y = 20.9
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