The value of x in the figure is 18
How to determine the value of x?
The angle with the measure 9x -12 and the angle with the measure 30 degrees are internal angles of a transversal
This means that
9x -12 + 30 = 180
Evaluate the like terms
9x = 162
Divide by 9
x = 18
Hence, the value of x in the figure is 18
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