Question 306914
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Supplementary angles sum to 180 degrees, so


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ (3x\ +\ 6)\ +\ (2x\ -\ 1)\ =\ 180]


Just solve for *[tex \Large x]


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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