\"\"

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The equation is \"\".

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Squaring on each side and eliminate square roots.

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\"\"

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\"x                     (Evaluate power: \"\")\"\"

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CHECK:-

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To check the solution, substitute \"x in \"\".

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\"square 

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\"square                    (Rewrite: \"\")

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\"4

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The solution is true.\"\"

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The value of x is 16.