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Simplifying 8ln(15 + -2x) = 4 (15 * 8ln + -2x * 8ln) = 4 (120ln + -16lnx) = 4 Solving 120ln + -16lnx = 4 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Reorder the terms: -4 + 120ln + -16lnx = 4 + -4 Combine like terms: 4 + -4 = 0 -4 + 120ln + -16lnx = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-1 + 30ln + -4lnx) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-1 + 30ln + -4lnx)' equal to zero and attempt to solve: Simplifying -1 + 30ln + -4lnx = 0 Solving -1 + 30ln + -4lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 30ln + 1 + -4lnx = 0 + 1 Reorder the terms: -1 + 1 + 30ln + -4lnx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 30ln + -4lnx = 0 + 1 30ln + -4lnx = 0 + 1 Combine like terms: 0 + 1 = 1 30ln + -4lnx = 1 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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