ln(x+2)+ln(2x+7)=3

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Solution for ln(x+2)+ln(2x+7)=3 equation:


Simplifying
ln(x + 2) + ln(2x + 7) = 3

Reorder the terms:
ln(2 + x) + ln(2x + 7) = 3
(2 * ln + x * ln) + ln(2x + 7) = 3
(2ln + lnx) + ln(2x + 7) = 3

Reorder the terms:
2ln + lnx + ln(7 + 2x) = 3
2ln + lnx + (7 * ln + 2x * ln) = 3
2ln + lnx + (7ln + 2lnx) = 3

Reorder the terms:
2ln + 7ln + lnx + 2lnx = 3

Combine like terms: 2ln + 7ln = 9ln
9ln + lnx + 2lnx = 3

Combine like terms: lnx + 2lnx = 3lnx
9ln + 3lnx = 3

Solving
9ln + 3lnx = 3

Solving for variable 'l'.

Move all terms containing l to the left, all other terms to the right.

Reorder the terms:
-3 + 9ln + 3lnx = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + 9ln + 3lnx = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-1 + 3ln + lnx) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-1 + 3ln + lnx)' equal to zero and attempt to solve: Simplifying -1 + 3ln + lnx = 0 Solving -1 + 3ln + lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 3ln + 1 + lnx = 0 + 1 Reorder the terms: -1 + 1 + 3ln + lnx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 3ln + lnx = 0 + 1 3ln + lnx = 0 + 1 Combine like terms: 0 + 1 = 1 3ln + lnx = 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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