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Required line parallel to \"\" and passes through \"\".

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The line equation \"\".

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Above line is vertical.

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Slope of vertical line undefined.

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Parallel line passes through \"\".

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The equation of the vertical line through \"\" is \"\". 

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Vertical line equation is \"\".

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There is no slope-intercept form.

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\"\"

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The line equation is \"\".

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There is no slope-intercept form.