7 + 2lnx = 6

2 Answers

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

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7 + 2 ln x = 6

Move 7 to the right side by subtracting 7 from both sides:

==> 2 ln x = 6-7

==> 2 ln x = -1

Now we know that 2 ln x = ln x^2

==> ln x^2 = -1

==> x^2 = e^-1

==> x^2 = 1/e

==>x = 1/sqrt(e)