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(4x^2)/4 = 64/4
X^2 = 16
X= ±4
3^(2x+1 ) = 81
3^(2x + 1) = 34
Therefore 2x +1 = 4
2x = 3
X =3/2
joseph rimiru answered the question on October 9, 2017 at 19:06
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