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Simplifying 21ln(x + 3) = 6 Reorder the terms: 21ln(3 + x) = 6 (3 * 21ln + x * 21ln) = 6 (63ln + 21lnx) = 6 Solving 63ln + 21lnx = 6 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Reorder the terms: -6 + 63ln + 21lnx = 6 + -6 Combine like terms: 6 + -6 = 0 -6 + 63ln + 21lnx = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(-2 + 21ln + 7lnx) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-2 + 21ln + 7lnx)' equal to zero and attempt to solve: Simplifying -2 + 21ln + 7lnx = 0 Solving -2 + 21ln + 7lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 21ln + 2 + 7lnx = 0 + 2 Reorder the terms: -2 + 2 + 21ln + 7lnx = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 21ln + 7lnx = 0 + 2 21ln + 7lnx = 0 + 2 Combine like terms: 0 + 2 = 2 21ln + 7lnx = 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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