SOLUTION: find x:
log4(x+1)-log4(x-2)=1
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Question 197449: find x:
log4(x+1)-log4(x-2)=1
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
log[4](x+1)-log[4](x-2)=1
log[4]((x+1)/(x-2))=1
4^log[4]((x+1)/(x-2))=4^1
(x+1)/(x-2)=4
x+1=4(x-2)
x+1=4x-8
-3x=-9
x=3
.
Ed
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