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Simplifying ln(7x + 9) = -1 Reorder the terms: ln(9 + 7x) = -1 (9 * ln + 7x * ln) = -1 (9ln + 7lnx) = -1 Solving 9ln + 7lnx = -1 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Reorder the terms: 1 + 9ln + 7lnx = -1 + 1 Combine like terms: -1 + 1 = 0 1 + 9ln + 7lnx = 0 The solution to this equation could not be determined.
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