\"\"

\

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The equation is  \"\".

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The point is \"\"

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\"\"                   (Substitute 2 for x and 4 for y)

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\"\"                  (Cancel common terms)

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Multiples of 1: 1,2,3,4....

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Multiples of 2: 2,4,6,8....

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The least common multiple of 1 and 2 is 2, the LCD is 2.

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Rewrite each fraction using the least common denominator (LCD).

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\"\"  and  \"\"

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Rewrite the difference using the LCD.

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\"\"

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

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The point  \"\"  is a not solution of  \"\".