\"\"

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The points are A\"\" and M = \"\".

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To find: B.

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The midpoint of a segment with endpoints \"\" is \"\"

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\"\"                 (Apply midpoint formula)

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\"\"(Substitute \"\")\"\"

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So, \"\"(Equate the corresponding terms)

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\"\" (Multiply \"\" to each side)

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\"\" (Cancel common terms)

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\"\"         (Multiply: \"\")

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\"\"(Subtract \"\" to each side)

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

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\"\"    (Subtract \"\" to each side)

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

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The point B is \"\".

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\"\"

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The point B is \"\".

\