Question

cum se rezolva x•3la puterea 12=3 la puterea 14

Answer 1

$x*3^{12}=3^{14}$

$x=\frac{3^{14}}{3^{12}}$

$x=3^{14-12}$

$x=3^2$

$x=9$

$S=\{9\}$

Answer 2

$x* 3^{12} = 3^{14}$⇔$x= 3^{12} : 3^{12}$⇔ $x= 3^{2}$ ⇔ $x=9$