e^(3x + 5) = 9 since "e" is involved, take the natural log of each side
Ln e^(3x + 5) = Ln 9 and we can write
(3x + 5) * Ln e = Ln 9 Ln e = 1....so we can ignore this
3x + 5 = Ln 9 subtract 5 from both sides
3x = Ln 9 - 5 divide both sides by 3
x = Ln 9 - 5
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