\"\"\"\"

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The equation is \"\"

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\"\"                                  (Product of two same signs is positive)

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According to subtraction Property of equality: If a = b then \"\" \"\"             (Add 16 to each side)

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\"\"             (Commutative property: \"\" )

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\"\"                               (Additive inverse property: \"\")

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

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Check:

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

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\"\"

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\"\"                    (Product of two same signs is positive)

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\"\"                          (Product of two different signs is negative)

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

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Compare the values, the equation is true.

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\"\"

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The value of \"\"