\"\"

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The equation is, \"\".

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Distribute terms using distributive property: \"\".

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\"\"

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Distribute terms using distributive property: \"\".

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\"\"

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\"\"        (Apply multiplicative identity property: \"\")

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\"\"              (Multiply: \"\")

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Apply commutative property of addition: a + b = b + a.

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

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\"\"

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Apply addition property of equality: If a = b then a + c = b + c.

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\"\"           (Add 10 to each side)

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\"\"           (Apply additive identity property: \"\")

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

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\"\"

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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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\"\"        (Subtract: \"\")

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\"\"              (Add: \"\")

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\"\"                     (Multiply: \"\" and \"\")

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

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

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\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\"

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The solution is \"\".