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Simplifying 3 = 18 + -3ln(8.1x) Remove parenthesis around (8.1x) 3 = 18 + -3ln * 8.1x Reorder the terms for easier multiplication: 3 = 18 + -3 * 8.1ln * x Multiply -3 * 8.1 3 = 18 + -24.3ln * x Multiply ln * x 3 = 18 + -24.3lnx Solving 3 = 18 + -24.3lnx Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Add '24.3lnx' to each side of the equation. 3 + 24.3lnx = 18 + -24.3lnx + 24.3lnx Combine like terms: -24.3lnx + 24.3lnx = 0.0 3 + 24.3lnx = 18 + 0.0 3 + 24.3lnx = 18 Add '-3' to each side of the equation. 3 + -3 + 24.3lnx = 18 + -3 Combine like terms: 3 + -3 = 0 0 + 24.3lnx = 18 + -3 24.3lnx = 18 + -3 Combine like terms: 18 + -3 = 15 24.3lnx = 15 Divide each side by '24.3nx'. l = 0.6172839506n-1x-1 Simplifying l = 0.6172839506n-1x-1
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