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Simplifying ln(20x) + -1ln(4) = 2 Remove parenthesis around (20x) ln * 20x + -1ln(4) = 2 Reorder the terms for easier multiplication: 20ln * x + -1ln(4) = 2 Multiply ln * x 20lnx + -1ln(4) = 2 Reorder the terms for easier multiplication: 20lnx + -1 * 4ln = 2 Multiply -1 * 4 20lnx + -4ln = 2 Reorder the terms: -4ln + 20lnx = 2 Solving -4ln + 20lnx = 2 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Reorder the terms: -2 + -4ln + 20lnx = 2 + -2 Combine like terms: 2 + -2 = 0 -2 + -4ln + 20lnx = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-1 + -2ln + 10lnx) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-1 + -2ln + 10lnx)' equal to zero and attempt to solve: Simplifying -1 + -2ln + 10lnx = 0 Solving -1 + -2ln + 10lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '1' to each side of the equation. -1 + -2ln + 1 + 10lnx = 0 + 1 Reorder the terms: -1 + 1 + -2ln + 10lnx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2ln + 10lnx = 0 + 1 -2ln + 10lnx = 0 + 1 Combine like terms: 0 + 1 = 1 -2ln + 10lnx = 1 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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