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Simplifying 2ln(4x + 7) + 5 = 9 Reorder the terms: 2ln(7 + 4x) + 5 = 9 (7 * 2ln + 4x * 2ln) + 5 = 9 (14ln + 8lnx) + 5 = 9 Reorder the terms: 5 + 14ln + 8lnx = 9 Solving 5 + 14ln + 8lnx = 9 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + 14ln + -5 + 8lnx = 9 + -5 Reorder the terms: 5 + -5 + 14ln + 8lnx = 9 + -5 Combine like terms: 5 + -5 = 0 0 + 14ln + 8lnx = 9 + -5 14ln + 8lnx = 9 + -5 Combine like terms: 9 + -5 = 4 14ln + 8lnx = 4 Reorder the terms: -4 + 14ln + 8lnx = 4 + -4 Combine like terms: 4 + -4 = 0 -4 + 14ln + 8lnx = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-2 + 7ln + 4lnx) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-2 + 7ln + 4lnx)' equal to zero and attempt to solve: Simplifying -2 + 7ln + 4lnx = 0 Solving -2 + 7ln + 4lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 7ln + 2 + 4lnx = 0 + 2 Reorder the terms: -2 + 2 + 7ln + 4lnx = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 7ln + 4lnx = 0 + 2 7ln + 4lnx = 0 + 2 Combine like terms: 0 + 2 = 2 7ln + 4lnx = 2 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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