SOLUTION: log(x+90) - logX= 1

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: log(x+90) - logX= 1      Log On


   



Question 924645: log(x+90) - logX= 1
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
log(x+90) - logX= 1
log%28x%2B90%29-log%28x%29=1
log%28%28x%2B90%29%2F%28x%29%29=1
10^1=(x+90)/(x)
x+90=10x
9x=90
x=10