For what value of x is line m parallel to line n?
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Line m is parallel to line n. Line m is above line n. A transversal line cuts both parallel lines. The acute upward left angle made by the transversal line with line m is labeled as 75 degrees. The obtuse downward left angle made by the transversal line with line m is labeled as 105 degrees. The obtuse upward right angle made by the transversal line with line n is labeled as left parenthesis 10 x plus 15 right parenthesis degrees.
