SOLUTION: {{{log(subscript2)(x)+log(subscript2)(x-15)=4}}}
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Question 813506:
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
adding logs is multiply
The exponent equiv of logs
x(x-15) = 2^4
x(x-15) = 16
x^2 - 15x - 16 = 0
Factors to
(x-16)(x+1) = 0
The positive solution is all we can use here
x = 16
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