Question

rezolvati
$\sqrt{7} y = 7$

Answer 1

Salut,

$y=\dfrac{7}{\sqrt7}=\dfrac{(\sqrt7)^2}{\sqrt7}=\sqrt7.$

Green eyes.

Answer 2

$\sqrt{7}y=7$

y=$\dfrac{7}{\sqrt{7}}=\dfrac{7\sqrt{7}}{7}=\sqrt{7}$

=>y=$\sqrt{7}$

Verificare:

$\sqrt{7}\cdot\sqrt{7}=7$ adevărat