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Let's try natural logs.

4e^(3X+1) = 10

divide both sides by 4

e^(3X+1) = 5/2

ln[e^(3X+1)] = ln(5/2)

3X+1 lne = ln(5/2)

3X+1 = ln(5/2)/lne

( natural log of e = 1, of course )

3X + 1 = 5/2

subtract 1 from each side

3X = 3/2

divide each side by 3

X = 1/2

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14y ago

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