Question 892459
y=3^(2x+1)
 y=9^(4-2x) 
I know 9=3^2, so y=(3^2)^(4-2x) , so y = 3^(8-4x)
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Therefore::
3^(2x+1) = 3^(8-4x)
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Then::
2x+1 = 8-4x
6x = 7
x = 7/6
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Cheers,
Stan H.