SOLUTION: this question comes from a teacher-made worksheet Solve 2 ways: {{{log ((2-5x)/(2x+16)) =0}}} ; x = -2 I have solved it one way, but I don't know the other: {{{log ((2-5x)/(2x

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Question 133893: this question comes from a teacher-made worksheet
Solve 2 ways: ; x = -2
I have solved it one way, but I don't know the other:






Answer by Ganesha(13)   (Show Source): You can put this solution on YOUR website!
Log([2-5x]/[2x+16]) = 0
If log a = k, then a =e^k
Hence (2-5x)/(2x+16) =e^0 =1
2-5x = 2x+16 ==>
-5x-2x = 16-2 = 14==>
-7x=14==>
x = 14/2 = -2

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