SOLUTION: Solve the following equation for y, showing all work. Ln (y) – Ln (y-4) = Ln (2)

Algebra ->  Equations -> SOLUTION: Solve the following equation for y, showing all work. Ln (y) – Ln (y-4) = Ln (2)       Log On


   

Question 147926: Solve the following equation for y, showing all work.
Ln (y) – Ln (y-4) = Ln (2)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
ln%28y%29-ln%28y-4%29=ln%282%29
ln%28y%2F%28y-4%29%29=ln%282%29
y%2F%28y-4%29=2
y=2%28y-4%29
y=2y-8
-y=-8
y=8
Check your answer.
ln%28y%29-ln%28y-4%29=ln%282%29
ln%288%29-ln%288-4%29=ln%282%29
ln%28y%29-ln%284%29=ln%282%29
ln%288%2F4%29=ln%282%29
ln%282%29=ln%282%29
True statement.
Good answer.