7e^3x=12

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Divide both sides by 7    e^(3x)=12/7 Take ln both sides.       3x is moved out front        (3x)lne = ln(12/7) lne = 1                                 3x = ln(12/7) divide both sides by 3            x = ln(12/7)÷ 3                                              x = 0.1797