SOLUTION: What is the first step in solving the equation √x+3=9? Why?

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Question 279258: What is the first step in solving the equation √x+3=9? Why?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the first step in solving the equation √x+3=9? Why?
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Square both sides to get rid of the "square-root" sign on the left side.
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You get:
x+3 = 81
x = 78
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Test that in the original equation to see if you get a true statement.
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It works.
Cheers,
Stan H.