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Simplifying 8ln(x + 9) + -7ln(x) = 0 Reorder the terms: 8ln(9 + x) + -7ln(x) = 0 (9 * 8ln + x * 8ln) + -7ln(x) = 0 (72ln + 8lnx) + -7ln(x) = 0 Multiply ln * x 72ln + 8lnx + -7lnx = 0 Combine like terms: 8lnx + -7lnx = 1lnx 72ln + 1lnx = 0 Solving 72ln + 1lnx = 0 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Factor out the Greatest Common Factor (GCF), 'ln'. ln(72 + x) = 0Subproblem 1
Set the factor 'ln' equal to zero and attempt to solve: Simplifying ln = 0 Solving ln = 0 Move all terms containing l to the left, all other terms to the right. Simplifying ln = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(72 + x)' equal to zero and attempt to solve: Simplifying 72 + x = 0 Solving 72 + x = 0 Move all terms containing l to the left, all other terms to the right. Add '-72' to each side of the equation. 72 + -72 + x = 0 + -72 Combine like terms: 72 + -72 = 0 0 + x = 0 + -72 x = 0 + -72 Combine like terms: 0 + -72 = -72 x = -72 Add '-1x' to each side of the equation. x + -1x = -72 + -1x Combine like terms: x + -1x = 0 0 = -72 + -1x Simplifying 0 = -72 + -1x 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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