SOLUTION: log(base4)(x-9)-log(base4)(x+3)=2

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: log(base4)(x-9)-log(base4)(x+3)=2      Log On


   

Question 806760: log(base4)(x-9)-log(base4)(x+3)=2
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
log(base4)(x-9)-log(base4)(x+3)=2
***
log%284%2C%28x-9%29%29-log%284%2C%28x%2B3%29%29=2
log%284%2C%28%28x-9%29%2F%28x%2B3%29%29=2%29
convert to exponential form
4^2=(x-9)/(x+3)=16
16(x+3)=x-9
16x+48=x-9
15x=-57
x=-57/15
no solution: (x+3)>0