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

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


Simplifying
ln(x + -3) + ln(x + 0.2) = ln(x + -7)

Reorder the terms:
ln(-3 + x) + ln(x + 0.2) = ln(x + -7)
(-3 * ln + x * ln) + ln(x + 0.2) = ln(x + -7)
(-3ln + lnx) + ln(x + 0.2) = ln(x + -7)

Reorder the terms:
-3ln + lnx + ln(0.2 + x) = ln(x + -7)
-3ln + lnx + (0.2 * ln + x * ln) = ln(x + -7)
-3ln + lnx + (0.2ln + lnx) = ln(x + -7)

Reorder the terms:
-3ln + 0.2ln + lnx + lnx = ln(x + -7)

Combine like terms: -3ln + 0.2ln = -2.8ln
-2.8ln + lnx + lnx = ln(x + -7)

Combine like terms: lnx + lnx = 2lnx
-2.8ln + 2lnx = ln(x + -7)

Reorder the terms:
-2.8ln + 2lnx = ln(-7 + x)
-2.8ln + 2lnx = (-7 * ln + x * ln)
-2.8ln + 2lnx = (-7ln + lnx)

Solving
-2.8ln + 2lnx = -7ln + lnx

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.
-2.8ln + 7ln + 2lnx = -7ln + 7ln + lnx

Combine like terms: -2.8ln + 7ln = 4.2ln
4.2ln + 2lnx = -7ln + 7ln + lnx

Combine like terms: -7ln + 7ln = 0
4.2ln + 2lnx = 0 + lnx
4.2ln + 2lnx = lnx

Add '-1lnx' to each side of the equation.
4.2ln + 2lnx + -1lnx = lnx + -1lnx

Combine like terms: 2lnx + -1lnx = 1lnx
4.2ln + 1lnx = lnx + -1lnx

Combine like terms: lnx + -1lnx = 0
4.2ln + 1lnx = 0

The solution to this equation could not be determined.

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