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Simplifying ln(20 + 5x) + -1ln(10 + -1x) = 1 (20 * ln + 5x * ln) + -1ln(10 + -1x) = 1 (20ln + 5lnx) + -1ln(10 + -1x) = 1 20ln + 5lnx + (10 * -1ln + -1x * -1ln) = 1 20ln + 5lnx + (-10ln + 1lnx) = 1 Reorder the terms: 20ln + -10ln + 5lnx + 1lnx = 1 Combine like terms: 20ln + -10ln = 10ln 10ln + 5lnx + 1lnx = 1 Combine like terms: 5lnx + 1lnx = 6lnx 10ln + 6lnx = 1 Solving 10ln + 6lnx = 1 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Reorder the terms: -1 + 10ln + 6lnx = 1 + -1 Combine like terms: 1 + -1 = 0 -1 + 10ln + 6lnx = 0 The solution to this equation could not be determined.
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