. Solve: 9x = 5 ( 2x + 3)
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Answer:
9x - 5(2x - 3) = 1.
⇒ 9x - 10x + 15 = 1.
⇒ - x + 15 = 1.
⇒ - x = 1 - 15
⇒ - x = - 14.
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