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If 3-2yi = 9^x-7i, where i^2 = -1, x and...

If `3-2yi = 9^x-7i`, where `i^2 = -1`, x and y are real, then

A

`x=0.5,y=3.5`

B

`x=5,y=3`

C

`x=frac{1}{2}`,y=7`

D

`x=0,y=frac{3+7i}{2i}`

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