Can someone please help me with this problem?

Question

WXYZ is a parallelogram. What is the value of x?

W 2x + 9 X

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Z 4x + 5 Y

Answer 1

The opposite sides of a parallelogram are equal. Did you prove that? You should have been given that proof.

2x+9=4x+5

You should be able to finish it from here!