In(x+8)=In(x+7)-In(x-7)

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Solution for In(x+8)=In(x+7)-In(x-7) equation:


Simplifying
In(x + 8) = In(x + 7) + -1In(x + -7)

Reorder the terms:
nI(8 + x) = In(x + 7) + -1In(x + -7)
(8 * nI + x * nI) = In(x + 7) + -1In(x + -7)
(8nI + nxI) = In(x + 7) + -1In(x + -7)

Reorder the terms:
8nI + nxI = nI(7 + x) + -1In(x + -7)
8nI + nxI = (7 * nI + x * nI) + -1In(x + -7)
8nI + nxI = (7nI + nxI) + -1In(x + -7)

Reorder the terms:
8nI + nxI = 7nI + nxI + -1nI(-7 + x)
8nI + nxI = 7nI + nxI + (-7 * -1nI + x * -1nI)
8nI + nxI = 7nI + nxI + (7nI + -1nxI)

Reorder the terms:
8nI + nxI = 7nI + 7nI + nxI + -1nxI

Combine like terms: 7nI + 7nI = 14nI
8nI + nxI = 14nI + nxI + -1nxI

Combine like terms: nxI + -1nxI = 0
8nI + nxI = 14nI + 0
8nI + nxI = 14nI

Solving
8nI + nxI = 14nI

Solving for variable 'n'.

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

Add '-14nI' to each side of the equation.
8nI + -14nI + nxI = 14nI + -14nI

Combine like terms: 8nI + -14nI = -6nI
-6nI + nxI = 14nI + -14nI

Combine like terms: 14nI + -14nI = 0
-6nI + nxI = 0

Factor out the Greatest Common Factor (GCF), 'nI'.
nI(-6 + x) = 0

Subproblem 1

Set the factor 'nI' equal to zero and attempt to solve: Simplifying nI = 0 Solving nI = 0 Move all terms containing n to the left, all other terms to the right. Simplifying nI = 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 n 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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