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Simplifying ln(x + -4) + ln(4x + 1) = 9 Reorder the terms: ln(-4 + x) + ln(4x + 1) = 9 (-4 * ln + x * ln) + ln(4x + 1) = 9 (-4ln + lnx) + ln(4x + 1) = 9 Reorder the terms: -4ln + lnx + ln(1 + 4x) = 9 -4ln + lnx + (1 * ln + 4x * ln) = 9 -4ln + lnx + (1ln + 4lnx) = 9 Reorder the terms: -4ln + 1ln + lnx + 4lnx = 9 Combine like terms: -4ln + 1ln = -3ln -3ln + lnx + 4lnx = 9 Combine like terms: lnx + 4lnx = 5lnx -3ln + 5lnx = 9 Solving -3ln + 5lnx = 9 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Reorder the terms: -9 + -3ln + 5lnx = 9 + -9 Combine like terms: 9 + -9 = 0 -9 + -3ln + 5lnx = 0 The solution to this equation could not be determined.
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