Respuesta:
[tex]x = 2[/tex]
Explicación paso a paso:
[tex] \sqrt{x + 2} = \sqrt{2x} \\ ( \sqrt{x + 2}) {}^{2} = ( \sqrt{2x} ) {}^{2} \\ x + 2 = 2x \\ 2 = 2x - x \\ 2 = x[/tex]
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Respuesta:
[tex]x = 2[/tex]
Explicación paso a paso:
[tex] \sqrt{x + 2} = \sqrt{2x} \\ ( \sqrt{x + 2}) {}^{2} = ( \sqrt{2x} ) {}^{2} \\ x + 2 = 2x \\ 2 = 2x - x \\ 2 = x[/tex]