The value of x in the given parallelogram is: x = 7.
What is the Diagonal of a Parallelogram?
A parallelogram has two congruent diagonals that bisect each other into equal segments.
Thus:
KU = Um
Substitute
3x + 3 = 4x - 4
Combine like terms
3x - 4x = -3 - 4
-x = -7
x = 7
Therefore, the value of x in the given parallelogram is: x = 7.
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