Finite Math Examples

$3^{1 - 2 x} + 9^{- x} = 12$

Step 1

Subtract $12$ from both sides of the equation.

$3^{1 - 2 x} + 9^{- x} - 12 = 0$

Step 2

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

$x = - \frac{1}{2}$

Step 3