Respuesta:
x = 81
Explicación paso a paso:
[tex]\sqrt{x} -2 = 7\\\sqrt{x} = 7 + 2\\\sqrt{x} = 9\\x = 9^{2} \\x = 81[/tex]
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Respuesta:
x = 81
Explicación paso a paso:
[tex]\sqrt{x} -2 = 7\\\sqrt{x} = 7 + 2\\\sqrt{x} = 9\\x = 9^{2} \\x = 81[/tex]