SOLUTION: Solve each equation for x: a.) 2+8^x-5=3 b.) In(3x-10)=2 c.) In(x)+In(x-1)=1

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Question 985730: Solve each equation for x:
a.) 2+8^x-5=3
b.) In(3x-10)=2
c.) In(x)+In(x-1)=1
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve each equation for x:
a.) 2+8^x-5=3
8^x = 6
x*log(8) = log(6)
x = log(6)/log(8)
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b.) In(3x-10)=2
It's LN, for natural log, not IN.
ln(3x-10)=2
3x-10 = e^2
x = (e^2 + 10)/3
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c.) In(x)+In(x-1)=1