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Simplifying 3ln(x + -7) + 5 = 17 Reorder the terms: 3ln(-7 + x) + 5 = 17 (-7 * 3ln + x * 3ln) + 5 = 17 (-21ln + 3lnx) + 5 = 17 Reorder the terms: 5 + -21ln + 3lnx = 17 Solving 5 + -21ln + 3lnx = 17 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -21ln + -5 + 3lnx = 17 + -5 Reorder the terms: 5 + -5 + -21ln + 3lnx = 17 + -5 Combine like terms: 5 + -5 = 0 0 + -21ln + 3lnx = 17 + -5 -21ln + 3lnx = 17 + -5 Combine like terms: 17 + -5 = 12 -21ln + 3lnx = 12 Reorder the terms: -12 + -21ln + 3lnx = 12 + -12 Combine like terms: 12 + -12 = 0 -12 + -21ln + 3lnx = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(-4 + -7ln + lnx) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-4 + -7ln + lnx)' equal to zero and attempt to solve: Simplifying -4 + -7ln + lnx = 0 Solving -4 + -7ln + lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '4' to each side of the equation. -4 + -7ln + 4 + lnx = 0 + 4 Reorder the terms: -4 + 4 + -7ln + lnx = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -7ln + lnx = 0 + 4 -7ln + lnx = 0 + 4 Combine like terms: 0 + 4 = 4 -7ln + lnx = 4 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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