SOLUTION: If {(9^y�3^2�{3^(-y)}^(-1)-27^y)/3^(3x)�2^3}=1/27 then x-y is given by A)-1 B)1 C)0 D)None

Question 1043150: If {(9^y�3^2�{3^(-y)}^(-1)-27^y)/3^(3x)�2^3}=1/27 then x-y is given by
A)-1
B)1
C)0
D)None
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
First thing is to try to find what you are actually given, and it seems to be this:

No, that's not it.

Must be this:

Answer by MathTherapy(10555) (Show Source): You can put this solution on YOUR website!
If {(9^y�3^2�{3^(-y)}^(-1)-27^y)/3^(3x)�2^3}=1/27 then x-y is given by
A)-1
B)1
C)0
D)None

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