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Simplifying ln(x + 7) + ln(x + 3) = 0 Reorder the terms: ln(7 + x) + ln(x + 3) = 0 (7 * ln + x * ln) + ln(x + 3) = 0 (7ln + lnx) + ln(x + 3) = 0 Reorder the terms: 7ln + lnx + ln(3 + x) = 0 7ln + lnx + (3 * ln + x * ln) = 0 7ln + lnx + (3ln + lnx) = 0 Reorder the terms: 7ln + 3ln + lnx + lnx = 0 Combine like terms: 7ln + 3ln = 10ln 10ln + lnx + lnx = 0 Combine like terms: lnx + lnx = 2lnx 10ln + 2lnx = 0 Solving 10ln + 2lnx = 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), '2ln'. 2ln(5 + x) = 0 Ignore the factor 2.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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing l to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Add '-1x' to each side of the equation. x + -1x = -5 + -1x Combine like terms: x + -1x = 0 0 = -5 + -1x Simplifying 0 = -5 + -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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