ln(x)+ln(x+1)=ln(20)

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Solution for ln(x)+ln(x+1)=ln(20) equation:


Simplifying
ln(x) + ln(x + 1) = ln(20)

Multiply ln * x
lnx + ln(x + 1) = ln(20)

Reorder the terms:
lnx + ln(1 + x) = ln(20)
lnx + (1 * ln + x * ln) = ln(20)
lnx + (1ln + lnx) = ln(20)

Reorder the terms:
1ln + lnx + lnx = ln(20)

Combine like terms: lnx + lnx = 2lnx
1ln + 2lnx = ln(20)

Reorder the terms for easier multiplication:
1ln + 2lnx = 20ln

Solving
1ln + 2lnx = 20ln

Solving for variable 'l'.

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

Add '-20ln' to each side of the equation.
1ln + -20ln + 2lnx = 20ln + -20ln

Combine like terms: 1ln + -20ln = -19ln
-19ln + 2lnx = 20ln + -20ln

Combine like terms: 20ln + -20ln = 0
-19ln + 2lnx = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(-19 + 2x) = 0

Subproblem 1

Set the factor 'ln' equal to zero and attempt to solve: Simplifying ln = 0 Solving ln = 0 Move all terms containing l to the left, all other terms to the right. Simplifying ln = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-19 + 2x)' equal to zero and attempt to solve: Simplifying -19 + 2x = 0 Solving -19 + 2x = 0 Move all terms containing l to the left, all other terms to the right. Add '19' to each side of the equation. -19 + 19 + 2x = 0 + 19 Combine like terms: -19 + 19 = 0 0 + 2x = 0 + 19 2x = 0 + 19 Combine like terms: 0 + 19 = 19 2x = 19 Add '-2x' to each side of the equation. 2x + -2x = 19 + -2x Combine like terms: 2x + -2x = 0 0 = 19 + -2x Simplifying 0 = 19 + -2x 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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