\"point-slope\"\"

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First find the slope,

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\"\"

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\"\"                               (Substitute \"\")

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

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

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\"\"                                          (Divide: \"\")­\"\"

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Substitute slope and coordinates of either point in point-slope form line equation.

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\"\"               (Substitute \"\")

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

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The point-slope form line equation is \"\".