Precalculus Examples

$e^{- x} = 2 \ln (x)$

Step 1

Simplify $2 \ln (x)$ by moving $2$ inside the logarithm.

$e^{- x} = \ln (x^{2})$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x \approx 1.16819896$

Step 3