4ln (3x) = 8

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hala718 | High School Teacher | (Level 1) Educator Emeritus

Posted on

4 ln (3xZ) = 8

Divide by 4:

==> ln (3x) = 8/4 = 2

==> ln 3x = 2

==> 3x = e^2

Now divide by 3:

==> x= (e^2)/3

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kjcdb8er | Teacher | (Level 1) Associate Educator

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4 ln (3x) = 8

ln ((3x)^4) = 8

e^(ln(3x^4) = e^8

(3x)^4 = e^8

3x = e^2

x = e^2/3

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