x = 2, y = 9, and the side length of the square is 6 units.
What is a Square?
A square is a quadrilateral that has four equal lengths, that is, all its sides are equal.
Thus:
y - 6 = 2y - 15
y - 2y = 6 - 15
-y = -9
y = 9
Also:
3x - 3 = y - 6
3x - 3 = 9 - 6
3x - 3 = 3
3x = 3 + 3
3x = 6
x = 2
Therefore, the sides would be:
y - 6 = 9 - 6 = 3 units
In summary, x = 2, y = 9, and the side length of the square is 6 units.
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