ln(x-1)+ln(2)=ln(7)

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Solution for ln(x-1)+ln(2)=ln(7) equation:


Simplifying
ln(x + -1) + ln(2) = ln(7)

Reorder the terms:
ln(-1 + x) + ln(2) = ln(7)
(-1 * ln + x * ln) + ln(2) = ln(7)
(-1ln + lnx) + ln(2) = ln(7)

Reorder the terms for easier multiplication:
-1ln + lnx + 2ln = ln(7)

Reorder the terms:
-1ln + 2ln + lnx = ln(7)

Combine like terms: -1ln + 2ln = 1ln
1ln + lnx = ln(7)

Reorder the terms for easier multiplication:
1ln + lnx = 7ln

Solving
1ln + lnx = 7ln

Solving for variable 'l'.

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

Add '-7ln' to each side of the equation.
1ln + -7ln + lnx = 7ln + -7ln

Combine like terms: 1ln + -7ln = -6ln
-6ln + lnx = 7ln + -7ln

Combine like terms: 7ln + -7ln = 0
-6ln + lnx = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(-6 + x) = 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 '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 Move all terms containing l to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Add '-1x' to each side of the equation. x + -1x = 6 + -1x Combine like terms: x + -1x = 0 0 = 6 + -1x Simplifying 0 = 6 + -1x 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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