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Simplifying 4ln(x + 1) = 20 Reorder the terms: 4ln(1 + x) = 20 (1 * 4ln + x * 4ln) = 20 (4ln + 4lnx) = 20 Solving 4ln + 4lnx = 20 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Reorder the terms: -20 + 4ln + 4lnx = 20 + -20 Combine like terms: 20 + -20 = 0 -20 + 4ln + 4lnx = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-5 + ln + lnx) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-5 + ln + lnx)' equal to zero and attempt to solve: Simplifying -5 + ln + lnx = 0 Solving -5 + ln + lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '5' to each side of the equation. -5 + ln + 5 + lnx = 0 + 5 Reorder the terms: -5 + 5 + ln + lnx = 0 + 5 Combine like terms: -5 + 5 = 0 0 + ln + lnx = 0 + 5 ln + lnx = 0 + 5 Combine like terms: 0 + 5 = 5 ln + lnx = 5 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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