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The equation is \"\"

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\"\"                 (Subtract 9 from each side.)

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\"\"                                      (Subtract: \"\")

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Verify:

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To check the solution, substitute \"\"  in original equation.    

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\"\"

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\"\"                                  (Add:\"\")

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Compare the values, the equation is true. The solution is\"\".

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The given number is a solution of the equation.

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