Answer:
x = 7
y = 12
Step-by-step explanation:
ABCD is a parallelogram.
Measures of opposite sides of a parallelogram are equal.
Therefore,
2y - 18 = y - 6
2y - y = 18 - 6
2x + 2 = y + 4
2x + 2 = 12 + 4
2x = 16 - 2
2x = 14
x = 14/2
