In the figure, the lines GH and IJ are parallel. If ∠1 = 108° and ∠2 = 123°, find the values of x, y and z.

In the figure, the lines GH and IJ are parallel. If $∠ 1 = 108 °$ and $∠ 2 = 123 °$ , find the values of x, y and z.

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