SOLUTION: please help me solve this equation log (x+15) -log x= 2
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Question 619765
:
please help me solve this equation
log (x+15) -log x= 2
Answer by
nerdybill(7384)
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log (x+15) -log x = 2
log (x+15)/x = 2
(x+15)/x = 10^2
(x+15)/x = 100
x+15 = 100x
15 = 99x
15/99 = x
5/33 = x
0.152 = x