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Answer:
x = 7/20
Explanation:
(3x - 1)(2x + 7) - (x + 1)(6x - 7) = 7
(6x² + 21x - 2x - 7) - (6x² - 7x + 6x - 7) - 7 = 0
(6x² + 19x - 7) - (6x² - x - 7) - 7 = 0
6x² + 19x - 7 - 6x² + x + 7 - 7 = 0
20x -7 = 0
20x = 7
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