Answer :

Answer:

3

9-6=3

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Answer:

x = 75

Step-by-step explanation:

Given:

[tex]\sqrt{x+6} =9[/tex]

Solve for x, where x is a real number.

[tex]\sqrt{x+6} =9\\[/tex]

Remove the square root by squaring both sides.

It becomes:

[tex]x+6=9^2 \\x+6=81[/tex]

Subtract 6 from both sides to isolate the x (variable).

[tex]x+6-6=81-6\\x=75[/tex]

Thus, the value of x would be 75.