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Simplifying lnx + ln(x + -2) = ln(7x) Reorder the terms: lnx + ln(-2 + x) = ln(7x) lnx + (-2 * ln + x * ln) = ln(7x) lnx + (-2ln + lnx) = ln(7x) Reorder the terms: -2ln + lnx + lnx = ln(7x) Combine like terms: lnx + lnx = 2lnx -2ln + 2lnx = ln(7x) Remove parenthesis around (7x) -2ln + 2lnx = ln * 7x Reorder the terms for easier multiplication: -2ln + 2lnx = 7ln * x Multiply ln * x -2ln + 2lnx = 7lnx Solving -2ln + 2lnx = 7lnx Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '-7lnx' to each side of the equation. -2ln + 2lnx + -7lnx = 7lnx + -7lnx Combine like terms: 2lnx + -7lnx = -5lnx -2ln + -5lnx = 7lnx + -7lnx Combine like terms: 7lnx + -7lnx = 0 -2ln + -5lnx = 0 Factor out the Greatest Common Factor (GCF), '-1ln'. -1ln(2 + 5x) = 0 Ignore the factor -1.Subproblem 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 '(2 + 5x)' equal to zero and attempt to solve: Simplifying 2 + 5x = 0 Solving 2 + 5x = 0 Move all terms containing l to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5x = 0 + -2 5x = 0 + -2 Combine like terms: 0 + -2 = -2 5x = -2 Add '-5x' to each side of the equation. 5x + -5x = -2 + -5x Combine like terms: 5x + -5x = 0 0 = -2 + -5x Simplifying 0 = -2 + -5x 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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