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Simplifying ln(x) + ln(x + -7) = ln(6x) Multiply ln * x lnx + ln(x + -7) = ln(6x) Reorder the terms: lnx + ln(-7 + x) = ln(6x) lnx + (-7 * ln + x * ln) = ln(6x) lnx + (-7ln + lnx) = ln(6x) Reorder the terms: -7ln + lnx + lnx = ln(6x) Combine like terms: lnx + lnx = 2lnx -7ln + 2lnx = ln(6x) Remove parenthesis around (6x) -7ln + 2lnx = ln * 6x Reorder the terms for easier multiplication: -7ln + 2lnx = 6ln * x Multiply ln * x -7ln + 2lnx = 6lnx Solving -7ln + 2lnx = 6lnx Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '-6lnx' to each side of the equation. -7ln + 2lnx + -6lnx = 6lnx + -6lnx Combine like terms: 2lnx + -6lnx = -4lnx -7ln + -4lnx = 6lnx + -6lnx Combine like terms: 6lnx + -6lnx = 0 -7ln + -4lnx = 0 Factor out the Greatest Common Factor (GCF), '-1ln'. -1ln(7 + 4x) = 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 '(7 + 4x)' equal to zero and attempt to solve: Simplifying 7 + 4x = 0 Solving 7 + 4x = 0 Move all terms containing l to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 4x = 0 + -7 4x = 0 + -7 Combine like terms: 0 + -7 = -7 4x = -7 Add '-4x' to each side of the equation. 4x + -4x = -7 + -4x Combine like terms: 4x + -4x = 0 0 = -7 + -4x Simplifying 0 = -7 + -4x 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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