SOLUTION: solve the logarithmic equation as shown: 9^(-r)= 9^(1-2r) I got r=1, is it correct?

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Question 1082337: solve the logarithmic equation as shown: 9^(-r)= 9^(1-2r)
I got r=1, is it correct?

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

it is correct!

...........if base same, exponents same too



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