How do you evaluate $8e^(3x+4)=15$ ?

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Answer 1 · 2016-04-21T17:05:31

$x=(ln(15/8)-4)/3$

$e^(3x+4)=15/8$

$ln e^(3x+4)=ln(15/8)$

$(3x+4) lne=ln(15/8)$

$(3x+4)=ln(15/8)$

$3x=ln(15/8)-4$

$x=(ln(15/8)-4)/3$

How do you evaluate 8e^(3x+4)=158e^(3x+4)=15?