Pre-Algebra Examples

$2^{x} + 2^{x - 1} + 2^{x - 2} = 7^{x} + 7^{x - 1} + 7^{x - 2}$

Step 1

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

$x \approx 0.3259873$

Step 2