Question

radical din 2x plus 3 egal 7​

Answer 1

Răspuns:

$\bf\sqrt{2} x + 3 = 7$

$\bf\sqrt{2} x = 7 - 3$

$\bf\sqrt{2} x = 4$

$\bf x = \dfrac{4}{ \sqrt{2} }$

$\boxed{\bf x = 2\sqrt{2} }$

Answer 2

Salut!

$\sqrt{2x} + 3 = 7 \\ \sqrt{2x } = 7 - 3 \\ \sqrt{2x} = 4 \\ x = \frac{4}{ \sqrt{2} } \\ x = 2 \sqrt {2}$