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Question
Find the equation of the line passing through (−5, 7) and parallel to x-axis
Solution
The slope of the line parallel to x-axis is 0.
(x1, y1) = (−5, 7)
Required equation of the line is
y − y1 = m(x − x1)
y − 7 = 0(x + 5)
y = 7
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