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Simplifying 4ln(x + -5) + 3 = 15 Reorder the terms: 4ln(-5 + x) + 3 = 15 (-5 * 4ln + x * 4ln) + 3 = 15 (-20ln + 4lnx) + 3 = 15 Reorder the terms: 3 + -20ln + 4lnx = 15 Solving 3 + -20ln + 4lnx = 15 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -20ln + -3 + 4lnx = 15 + -3 Reorder the terms: 3 + -3 + -20ln + 4lnx = 15 + -3 Combine like terms: 3 + -3 = 0 0 + -20ln + 4lnx = 15 + -3 -20ln + 4lnx = 15 + -3 Combine like terms: 15 + -3 = 12 -20ln + 4lnx = 12 Reorder the terms: -12 + -20ln + 4lnx = 12 + -12 Combine like terms: 12 + -12 = 0 -12 + -20ln + 4lnx = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-3 + -5ln + lnx) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-3 + -5ln + lnx)' equal to zero and attempt to solve: Simplifying -3 + -5ln + lnx = 0 Solving -3 + -5ln + lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '3' to each side of the equation. -3 + -5ln + 3 + lnx = 0 + 3 Reorder the terms: -3 + 3 + -5ln + lnx = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5ln + lnx = 0 + 3 -5ln + lnx = 0 + 3 Combine like terms: 0 + 3 = 3 -5ln + lnx = 3 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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