Respuesta :
Solution of the equation [tex]\sqrt{x} -9 =-6[/tex] is equals to 9.
What is equation?
" Equation is an algebraic statement which represents the relation between the given quantities with the sign of equality."
According to the question,
Given equation,
[tex]\sqrt{x} -9 =-6[/tex]
Add '9' both the sides of the equation we get,
⇒[tex]\sqrt{x} -9+9 = -6+9[/tex]
Squaring both the sides of the equation we get,
⇒[tex]x= 3^{2}[/tex]
⇒[tex]x=9[/tex]
Hence, Option(A) is the correct answer.
Learn more about equation here
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