SOLUTION: please help me write the exact solution for this logarithm do (dont know how it becomes 18) log (10x)-log(x+2)= 2log(3) Thanks

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Question 249534: please help me write the exact solution for this logarithm do (dont know how it becomes 18)
log (10x)-log(x+2)= 2log(3) Thanks
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
10x / (x + 2) = 3^2

10x = 9x + 18

x = 18