SOLUTION: 2^x - 3^y = 5 2^(x+2) + 3^(y+2) = 59. find xy

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Question 1209565: 2^x - 3^y = 5
2^(x+2) + 3^(y+2) = 59.
find xy
Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!







Multiply the 1st equation by -4



Adding them gives









Go back to 



Multiply the 1st equation by 9



Adding them gives






So xy = (3)(1)=3

Edwin
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