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The equation to solve for x is:
(4x - 14)° + (x - 6)° + 5x° = 180°
(4x - 14)° + (x - 6)° + 5x° = 180°
(4x - 14)° + (x - 6)° + 5x° = 180°
10x° + 20° = 180°