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Simplifying 2ln(x + 2) + -3 = 7 Reorder the terms: 2ln(2 + x) + -3 = 7 (2 * 2ln + x * 2ln) + -3 = 7 (4ln + 2lnx) + -3 = 7 Reorder the terms: -3 + 4ln + 2lnx = 7 Solving -3 + 4ln + 2lnx = 7 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 4ln + 3 + 2lnx = 7 + 3 Reorder the terms: -3 + 3 + 4ln + 2lnx = 7 + 3 Combine like terms: -3 + 3 = 0 0 + 4ln + 2lnx = 7 + 3 4ln + 2lnx = 7 + 3 Combine like terms: 7 + 3 = 10 4ln + 2lnx = 10 Reorder the terms: -10 + 4ln + 2lnx = 10 + -10 Combine like terms: 10 + -10 = 0 -10 + 4ln + 2lnx = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-5 + 2ln + lnx) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-5 + 2ln + lnx)' equal to zero and attempt to solve: Simplifying -5 + 2ln + lnx = 0 Solving -5 + 2ln + lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 2ln + 5 + lnx = 0 + 5 Reorder the terms: -5 + 5 + 2ln + lnx = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 2ln + lnx = 0 + 5 2ln + lnx = 0 + 5 Combine like terms: 0 + 5 = 5 2ln + lnx = 5 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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